1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine, Func Info                                               |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2018 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Dmitry Stogov <dmitry@zend.com>                             |
16    +----------------------------------------------------------------------+
17 */
18 
19 #include "php.h"
20 #include "zend_compile.h"
21 #include "zend_extensions.h"
22 #include "zend_ssa.h"
23 #include "zend_optimizer_internal.h"
24 #include "zend_inference.h"
25 #include "zend_call_graph.h"
26 #include "zend_func_info.h"
27 #include "zend_inference.h"
28 
29 typedef uint32_t (*info_func_t)(const zend_call_info *call_info, const zend_ssa *ssa);
30 
31 typedef struct _func_info_t {
32 	const char *name;
33 	int         name_len;
34 	uint32_t    info;
35 	info_func_t info_func;
36 } func_info_t;
37 
38 /* MSVC defines its own IN macro, undefine it here */
39 #undef IN
40 
41 #define F0(name, info) \
42 	{name, sizeof(name)-1, (FUNC_MAY_WARN | (info)), NULL}
43 #define F1(name, info) \
44 	{name, sizeof(name)-1, (FUNC_MAY_WARN | MAY_BE_RC1 | (info)), NULL}
45 #define FN(name, info) \
46 	{name, sizeof(name)-1, (FUNC_MAY_WARN | MAY_BE_RC1 | MAY_BE_RCN | (info)), NULL}
47 #define FR(name, info) \
48 	{name, sizeof(name)-1, (FUNC_MAY_WARN | MAY_BE_REF | (info)), NULL}
49 #define FX(name, info) \
50 	{name, sizeof(name)-1, (FUNC_MAY_WARN | MAY_BE_RC1 | MAY_BE_RCN | MAY_BE_REF | (info)), NULL}
51 #define I0(name, info) \
52 	{name, sizeof(name)-1, (info), NULL}
53 #define I1(name, info) \
54 	{name, sizeof(name)-1, (MAY_BE_RC1 | (info)), NULL}
55 #define IN(name, info) \
56 	{name, sizeof(name)-1, (MAY_BE_RC1 | MAY_BE_RCN | (info)), NULL}
57 #define FC(name, callback) \
58 	{name, sizeof(name)-1, 0, callback}
59 
zend_strlen_info(const zend_call_info * call_info,const zend_ssa * ssa)60 static uint32_t zend_strlen_info(const zend_call_info *call_info, const zend_ssa *ssa)
61 {
62 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
63 	    call_info->num_args == 1) {
64 
65 		uint32_t tmp = 0;
66 		if (call_info->arg_info[0].opline) {
67 			uint32_t arg_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[0].opline);
68 
69 			if (arg_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT)) {
70 				tmp |= MAY_BE_LONG;
71 			}
72 			if (arg_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
73 				/* warning, and returns NULL */
74 				tmp |= FUNC_MAY_WARN | MAY_BE_NULL;
75 			}
76 		} else {
77 			tmp |= MAY_BE_LONG | FUNC_MAY_WARN | MAY_BE_NULL;
78 		}
79 		return tmp;
80 	} else if (call_info->num_args != -1) {
81 		/* warning, and returns NULL */
82 		return FUNC_MAY_WARN | MAY_BE_NULL;
83 	} else {
84 		return MAY_BE_LONG | FUNC_MAY_WARN | MAY_BE_NULL;
85 	}
86 }
87 
zend_dechex_info(const zend_call_info * call_info,const zend_ssa * ssa)88 static uint32_t zend_dechex_info(const zend_call_info *call_info, const zend_ssa *ssa)
89 {
90 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
91 	    call_info->num_args == 1) {
92 		return MAY_BE_RC1 | MAY_BE_STRING;
93 	} else if (call_info->num_args != -1) {
94 		/* warning, and returns NULL */
95 		return FUNC_MAY_WARN | MAY_BE_NULL;
96 	} else {
97 		return FUNC_MAY_WARN | MAY_BE_RC1 | MAY_BE_STRING | MAY_BE_NULL;
98 	}
99 }
100 
zend_range_info(const zend_call_info * call_info,const zend_ssa * ssa)101 static uint32_t zend_range_info(const zend_call_info *call_info, const zend_ssa *ssa)
102 {
103 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
104 	    (call_info->num_args == 2 || call_info->num_args == 3)) {
105 
106 		uint32_t t1 = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[0].opline);
107 		uint32_t t2 = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[1].opline);
108 		uint32_t t3 = 0;
109 		uint32_t tmp = FUNC_MAY_WARN | MAY_BE_RC1 | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG;
110 
111 		if (call_info->num_args == 3) {
112 			t3 = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[2].opline);
113 		}
114 		if ((t1 & MAY_BE_STRING) && (t2 & MAY_BE_STRING)) {
115 			tmp |= MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING;
116 		}
117 		if ((t1 & (MAY_BE_DOUBLE|MAY_BE_STRING))
118 				|| (t2 & (MAY_BE_DOUBLE|MAY_BE_STRING))
119 				|| (t3 & (MAY_BE_DOUBLE|MAY_BE_STRING))) {
120 			tmp |= MAY_BE_ARRAY_OF_DOUBLE;
121 		}
122 		if ((t1 & (MAY_BE_ANY-(MAY_BE_STRING|MAY_BE_DOUBLE))) && (t2 & (MAY_BE_ANY-(MAY_BE_STRING|MAY_BE_DOUBLE)))) {
123 			if ((t3 & MAY_BE_ANY) != MAY_BE_DOUBLE) {
124 				tmp |= MAY_BE_ARRAY_OF_LONG;
125 			}
126 		}
127 		return tmp;
128 	} else {
129 		/* may warning, and return FALSE */
130 		return FUNC_MAY_WARN | MAY_BE_RC1 | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING;
131 	}
132 }
133 
zend_is_type_info(const zend_call_info * call_info,const zend_ssa * ssa)134 static uint32_t zend_is_type_info(const zend_call_info *call_info, const zend_ssa *ssa)
135 {
136 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
137 	    call_info->num_args == 1) {
138 		return MAY_BE_FALSE | MAY_BE_TRUE;
139 	} else {
140 		return MAY_BE_FALSE | MAY_BE_TRUE | FUNC_MAY_WARN;
141 	}
142 }
143 
zend_l_ss_info(const zend_call_info * call_info,const zend_ssa * ssa)144 static uint32_t zend_l_ss_info(const zend_call_info *call_info, const zend_ssa *ssa)
145 {
146 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
147 	    call_info->num_args == 2) {
148 
149 		uint32_t arg1_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[0].opline);
150 		uint32_t arg2_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[1].opline);
151 		uint32_t tmp = 0;
152 
153 		if ((arg1_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT)) &&
154 		    (arg2_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT))) {
155 			tmp |= MAY_BE_LONG;
156 		}
157 		if ((arg1_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
158 		    (arg2_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
159 			/* warning, and returns NULL */
160 			tmp |= FUNC_MAY_WARN | MAY_BE_NULL;
161 		}
162 		return tmp;
163 	} else {
164 		/* warning, and returns NULL */
165 		return FUNC_MAY_WARN | MAY_BE_NULL | MAY_BE_LONG;
166 	}
167 }
168 
zend_lb_ssn_info(const zend_call_info * call_info,const zend_ssa * ssa)169 static uint32_t zend_lb_ssn_info(const zend_call_info *call_info, const zend_ssa *ssa)
170 {
171 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
172 	    call_info->num_args == 3) {
173 		uint32_t arg1_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[0].opline);
174 		uint32_t arg2_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[1].opline);
175 		uint32_t arg3_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[2].opline);
176 		uint32_t tmp = 0;
177 
178 		if ((arg1_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT)) &&
179 		    (arg2_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT)) &&
180 		    (arg3_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT))) {
181 			tmp |= MAY_BE_LONG | MAY_BE_FALSE;
182 		}
183 		if ((arg1_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
184 		    (arg2_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) ||
185 		    (arg3_info & (MAY_BE_STRING|MAY_BE_RESOURCE|MAY_BE_ARRAY|MAY_BE_OBJECT))) {
186 			/* warning, and returns NULL */
187 			tmp |= FUNC_MAY_WARN | MAY_BE_NULL;
188 		}
189 		return tmp;
190 	} else {
191 		/* warning, and returns NULL */
192 		return FUNC_MAY_WARN | MAY_BE_NULL | MAY_BE_LONG;
193 	}
194 }
195 
zend_b_s_info(const zend_call_info * call_info,const zend_ssa * ssa)196 static uint32_t zend_b_s_info(const zend_call_info *call_info, const zend_ssa *ssa)
197 {
198 	if (call_info->caller_init_opline->extended_value == (uint32_t)call_info->num_args &&
199 	    call_info->num_args == 1) {
200 
201 		uint32_t arg1_info = _ssa_op1_info(call_info->caller_op_array, ssa, call_info->arg_info[0].opline);
202 		uint32_t tmp = 0;
203 
204 		if (arg1_info & (MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_TRUE|MAY_BE_LONG|MAY_BE_DOUBLE|MAY_BE_STRING|MAY_BE_OBJECT)) {
205 			tmp |= MAY_BE_FALSE | MAY_BE_TRUE;
206 		}
207 		if (arg1_info & (MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
208 			/* warning, and returns NULL */
209 			tmp |= FUNC_MAY_WARN | MAY_BE_NULL;
210 		}
211 		return tmp;
212 	} else {
213 		/* warning, and returns NULL */
214 		return FUNC_MAY_WARN | MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE;
215 	}
216 }
217 
218 #define UNKNOWN_INFO (MAY_BE_ANY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF)
219 
220 static const func_info_t func_infos[] = {
221 	/* zend */
222 	I1("zend_version",            MAY_BE_STRING),
223 	I0("gc_collect_cycles",       MAY_BE_LONG),
224 	I0("gc_enabled",              MAY_BE_FALSE | MAY_BE_TRUE),
225 	F0("gc_enable",               MAY_BE_NULL),
226 	F0("gc_disable",              MAY_BE_NULL),
227 	F0("func_num_args",           MAY_BE_LONG),
228 	FN("func_get_arg",            UNKNOWN_INFO),
229 	F1("func_get_args",           MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
230 	FC("strlen",                  zend_strlen_info),
231 	FC("strcmp",                  zend_l_ss_info),
232 	FC("strncmp",                 zend_lb_ssn_info),
233 	FC("strcasecmp",              zend_l_ss_info),
234 	FC("strncasecmp",             zend_lb_ssn_info),
235 	F1("each",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_KEY_ANY),
236 	F0("error_reporting",         MAY_BE_NULL | MAY_BE_LONG),
237 	F0("define",                  MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_NULL), // TODO: inline
238 	FC("defined",                 zend_b_s_info), // TODO: inline
239 	FN("get_class",               MAY_BE_FALSE | MAY_BE_STRING),
240 	FN("get_called_class",        MAY_BE_FALSE | MAY_BE_STRING),
241 	FN("get_parrent_class",       MAY_BE_FALSE | MAY_BE_STRING),
242 	F0("is_subclass_of",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE), // TODO: inline
243 	F0("is_a",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE), // TODO: inline
244 	F1("get_class_vars",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
245 	FN("get_object_vars",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
246 	F1("get_class_methods",       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
247 	F0("method_exists",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
248 	F0("property_exists",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
249 	F0("class_exists",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
250 	F0("interface_exists",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
251 	F0("trait_exists",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
252 	FC("function_exists",         zend_b_s_info), // TODO: inline
253 	F0("class_alias",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
254 	F1("get_included_files",      MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
255 	F0("trigger_error",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
256 	F0("user_error",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
257 	FN("set_error_handler",       MAY_BE_NULL | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_OBJECT | MAY_BE_OBJECT),
258 	I0("restore_error_handler",   MAY_BE_NULL | MAY_BE_TRUE),
259 	F1("get_declared_traits",     MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
260 	F1("get_declared_classes",    MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
261 	F1("get_declared_interfaces", MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
262 	F1("get_defined_functions",   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ARRAY),
263 	I1("get_defined_vars",        MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF),
264 	FN("create_function",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
265 	F1("get_resource_type",       MAY_BE_NULL | MAY_BE_STRING),
266 	F1("get_defined_constants",   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_RESOURCE | MAY_BE_ARRAY_OF_ARRAY),
267 	F0("debug_print_backtrace",   MAY_BE_NULL),
268 	F1("debug_backtrace",         MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ARRAY),
269 	F1("get_loaded_extensions",   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
270 	FC("extension_loaded",        zend_b_s_info),
271 	F1("get_extension_funcs",     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
272 
273 	/* ext/standard */
274 	FN("constant",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_LONG | MAY_BE_DOUBLE | MAY_BE_STRING | MAY_BE_RESOURCE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
275 	F1("bin2hex",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
276 	F1("hex2bin",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
277 	F0("sleep",                        MAY_BE_FALSE | MAY_BE_LONG),
278 	F0("usleep",                       MAY_BE_NULL | MAY_BE_FALSE),
279 #if HAVE_NANOSLEEP
280 	F0("time_nanosleep",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG),
281 	F0("time_sleep_until",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
282 #endif
283 #if HAVE_STRPTIME
284 	F1("strptime",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
285 #endif
286 	F0("flush",                        MAY_BE_NULL),
287 	F1("wordwrap",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
288 	F1("htmlspecialchars",             MAY_BE_NULL | MAY_BE_STRING),
289 	F1("htmlentities",                 MAY_BE_NULL | MAY_BE_STRING),
290 	FN("html_entity_decode",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
291 	FN("htmlspecialchars_decode",      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
292 	F1("get_html_translation_table",   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING),
293 	F1("sha1",                         MAY_BE_NULL | MAY_BE_STRING),
294 	F1("sha1_file",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
295 	F1("md5",                          MAY_BE_NULL | MAY_BE_STRING),
296 	F1("md5_file",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
297 	F0("crc32",                        MAY_BE_NULL | MAY_BE_LONG),
298 	F1("iptcparse",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ARRAY),
299 	F1("iptcembed",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
300 	F1("getimagesize",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
301 	F1("getimagesizefromstring",       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
302 	F1("image_type_to_mime_type",      MAY_BE_NULL | MAY_BE_STRING),
303 	F1("image_type_to_extension",      MAY_BE_FALSE | MAY_BE_STRING),
304 	F0("phpinfo",                      MAY_BE_NULL | MAY_BE_TRUE),
305 	F1("phpversion",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
306 	F0("phpcredits",                   MAY_BE_NULL | MAY_BE_TRUE),
307 	F1("php_sapi_name",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
308 	F1("php_uname",                    MAY_BE_NULL | MAY_BE_STRING),
309 	F1("php_ini_scanned_files",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
310 	F1("php_ini_loaded_file",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
311 	F0("strnatcmp",                    MAY_BE_NULL | MAY_BE_LONG),
312 	F0("strnatcasecmp",                MAY_BE_NULL | MAY_BE_LONG),
313 	F0("substr_count",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
314 	F0("strspn",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
315 	F0("strcspn",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
316 	F1("strtok",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
317 	FN("strtoupper",                   MAY_BE_NULL | MAY_BE_STRING),
318 	FN("strtolower",                   MAY_BE_NULL | MAY_BE_STRING),
319 	F0("strpos",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
320 	F0("stripos",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
321 	F0("strrpos",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
322 	F0("strripos",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
323 	F1("strrev",                       MAY_BE_NULL | MAY_BE_STRING),
324 	F1("hebrev",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
325 	F1("hebrevc",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
326 	F1("nl2br",                        MAY_BE_NULL | MAY_BE_STRING),
327 	F1("basename",                     MAY_BE_NULL | MAY_BE_STRING),
328 	F1("dirname",                      MAY_BE_NULL | MAY_BE_STRING),
329 	F1("pathinfo",                     MAY_BE_NULL | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING),
330 	F1("stripslashes",                 MAY_BE_NULL | MAY_BE_STRING),
331 	F1("stripcslashes",                MAY_BE_NULL | MAY_BE_STRING),
332 	F1("strstr",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
333 	F1("stristr",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
334 	F1("strrchr",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
335 	F1("str_shuffle",                  MAY_BE_NULL | MAY_BE_STRING),
336 	F1("str_word_count",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
337 	F1("str_split",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
338 	F1("strpbrk",                      MAY_BE_FALSE | MAY_BE_STRING),
339 	F0("substr_compare",               MAY_BE_FALSE | MAY_BE_LONG),
340 #ifdef HAVE_STRCOLL
341 	F0("strcoll",                      MAY_BE_NULL | MAY_BE_LONG),
342 #endif
343 #ifdef HAVE_STRFMON
344 	F1("money_format",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
345 #endif
346 	FN("substr",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
347 	FN("substr_replace",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING),
348 	F1("quotemeta",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
349 	F1("ucfirst",                      MAY_BE_NULL | MAY_BE_STRING),
350 	F1("lcfirst",                      MAY_BE_NULL | MAY_BE_STRING),
351 	F1("ucwords",                      MAY_BE_NULL | MAY_BE_STRING),
352 	FN("strtr",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
353 	FN("addslashes",                   MAY_BE_NULL | MAY_BE_STRING),
354 	F1("addcslashes",                  MAY_BE_NULL | MAY_BE_STRING),
355 	FN("rtrim",                        MAY_BE_NULL | MAY_BE_STRING),
356 	FN("str_replace",                  MAY_BE_NULL | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY | MAY_BE_ARRAY_OF_OBJECT),
357 	FN("str_ireplace",                 MAY_BE_NULL | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY | MAY_BE_ARRAY_OF_OBJECT),
358 	F1("str_repeat",                   MAY_BE_NULL | MAY_BE_STRING),
359 	F1("count_chars",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG),
360 	F1("chunk_split",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
361 	FN("trim",                         MAY_BE_NULL | MAY_BE_STRING),
362 	FN("ltrim",                        MAY_BE_NULL | MAY_BE_STRING),
363 	F1("strip_tags",                   MAY_BE_NULL | MAY_BE_STRING),
364 	F0("similar_text",                 MAY_BE_NULL | MAY_BE_LONG),
365 	F1("explode",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
366 	FN("implode",                      MAY_BE_NULL | MAY_BE_STRING),
367 	FN("join",                         MAY_BE_NULL | MAY_BE_STRING),
368 	FN("setlocale",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
369 	F1("localeconv",                   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
370 #if HAVE_NL_LANGINFO
371 	F1("nl_langinfo",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
372 #endif
373 	F1("soundex",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
374 	F0("levenshtein",                  MAY_BE_NULL | MAY_BE_LONG),
375 	F1("chr",                          MAY_BE_NULL | MAY_BE_STRING),
376 	F0("ord",                          MAY_BE_NULL | MAY_BE_LONG),
377 	F0("parse_str",                    MAY_BE_NULL),
378 	F1("str_getcsv",                   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
379 	F1("str_pad",                      MAY_BE_NULL | MAY_BE_STRING),
380 	F1("chop",                         MAY_BE_NULL | MAY_BE_STRING),
381 	F1("strchr",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
382 	F1("sprintf",                      MAY_BE_FALSE | MAY_BE_STRING),
383 	F0("printf",                       MAY_BE_FALSE | MAY_BE_LONG),
384 	F0("vprintf",                      MAY_BE_FALSE | MAY_BE_LONG),
385 	F1("vsprintf",                     MAY_BE_FALSE | MAY_BE_STRING),
386 	F0("fprintf",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
387 	F0("vfprintf",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
388 	F1("sscanf",                       MAY_BE_NULL | MAY_BE_LONG | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
389 	F1("fscanf",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
390 	F1("parse_url",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_LONG),
391 	F1("urlencode",                    MAY_BE_NULL | MAY_BE_STRING),
392 	F1("urldecode",                    MAY_BE_NULL | MAY_BE_STRING),
393 	F1("rawurlencode",                 MAY_BE_NULL | MAY_BE_STRING),
394 	F1("rawurldecode",                 MAY_BE_NULL | MAY_BE_STRING),
395 	F1("http_build_query",             MAY_BE_FALSE | MAY_BE_STRING),
396 #if defined(HAVE_SYMLINK) || defined(PHP_WIN32)
397 	F1("readlink",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
398 	F0("linkinfo",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
399 	F0("symlink",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
400 	F0("link",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
401 #endif
402 	F0("unlink",                       MAY_BE_FALSE | MAY_BE_TRUE),
403 	F1("exec",                         MAY_BE_FALSE | MAY_BE_STRING),
404 	F1("system",                       MAY_BE_FALSE | MAY_BE_STRING),
405 	F1("escapeshellcmd",               MAY_BE_NULL | MAY_BE_STRING),
406 	F1("escapeshellarg",               MAY_BE_NULL | MAY_BE_STRING),
407 	F1("passthru",                     MAY_BE_NULL | MAY_BE_FALSE),
408 	F1("shell_exec",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
409 #ifdef PHP_CAN_SUPPORT_PROC_OPEN
410 	F1("proc_open",                    MAY_BE_FALSE | MAY_BE_RESOURCE),
411 	F0("proc_close",                   MAY_BE_FALSE | MAY_BE_LONG),
412 	F0("proc_terminate",               MAY_BE_FALSE | MAY_BE_TRUE),
413 	F1("proc_get_status",              MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
414 #endif
415 #ifdef HAVE_NICE
416 	F0("proc_nice",                    MAY_BE_FALSE | MAY_BE_TRUE),
417 #endif
418 	F0("rand",                         MAY_BE_NULL | MAY_BE_LONG),
419 	F0("srand",                        MAY_BE_NULL),
420 	F0("getrandmax",                   MAY_BE_NULL | MAY_BE_LONG),
421 	F0("mt_rand",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
422 	F0("mt_srand",                     MAY_BE_NULL),
423 	F0("mt_getrandmax",                MAY_BE_NULL | MAY_BE_LONG),
424 #if HAVE_GETSERVBYNAME
425 	F0("getservbyname",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
426 #endif
427 #if HAVE_GETSERVBYPORT
428 	F1("getservbyport",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
429 #endif
430 #if HAVE_GETPROTOBYNAME
431 	F0("getprotobyname",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
432 #endif
433 #if HAVE_GETPROTOBYNUMBER
434 	F1("getprotobynumber",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
435 #endif
436 	F0("getmyuid",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
437 	F0("getmygid",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
438 	F0("getmypid",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
439 	F0("getmyinode",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
440 	F0("getlastmod",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
441 	F1("base64_decode",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
442 	F1("base64_encode",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
443 	F1("password_hash",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
444 	F1("password_get_info",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
445 	F0("password_needs_rehash",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
446 	F0("password_verify",              MAY_BE_FALSE | MAY_BE_TRUE),
447 	F1("convert_uuencode",             MAY_BE_FALSE | MAY_BE_STRING),
448 	F1("convert_uudecode",             MAY_BE_FALSE | MAY_BE_STRING),
449 	F0("abs",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE),
450 	F0("ceil",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
451 	F0("floor",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
452 	F0("round",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
453 	F0("sin",                          MAY_BE_NULL | MAY_BE_DOUBLE),
454 	F0("cos",                          MAY_BE_NULL | MAY_BE_DOUBLE),
455 	F0("tan",                          MAY_BE_NULL | MAY_BE_DOUBLE),
456 	F0("asin",                         MAY_BE_NULL | MAY_BE_DOUBLE),
457 	F0("acos",                         MAY_BE_NULL | MAY_BE_DOUBLE),
458 	F0("atan",                         MAY_BE_NULL | MAY_BE_DOUBLE),
459 	F0("atanh",                        MAY_BE_NULL | MAY_BE_DOUBLE),
460 	F0("atan2",                        MAY_BE_NULL | MAY_BE_DOUBLE),
461 	F0("sinh",                         MAY_BE_NULL | MAY_BE_DOUBLE),
462 	F0("cosh",                         MAY_BE_NULL | MAY_BE_DOUBLE),
463 	F0("tanh",                         MAY_BE_NULL | MAY_BE_DOUBLE),
464 	F0("asinh",                        MAY_BE_NULL | MAY_BE_DOUBLE),
465 	F0("acosh",                        MAY_BE_NULL | MAY_BE_DOUBLE),
466 	F0("expm1",                        MAY_BE_NULL | MAY_BE_DOUBLE),
467 	F0("log1p",                        MAY_BE_NULL | MAY_BE_DOUBLE),
468 	F0("pi",                           MAY_BE_DOUBLE),
469 	F0("is_finite",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
470 	F0("is_nan",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
471 	F0("is_infinite",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
472 	F0("pow",                          MAY_BE_NULL | MAY_BE_LONG | MAY_BE_DOUBLE),
473 	F0("exp",                          MAY_BE_NULL | MAY_BE_DOUBLE),
474 	F0("log",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
475 	F0("log10",                        MAY_BE_NULL | MAY_BE_DOUBLE),
476 	F0("sqrt",                         MAY_BE_NULL | MAY_BE_DOUBLE),
477 	F0("hypot",                        MAY_BE_NULL | MAY_BE_DOUBLE),
478 	F0("deg2rad",                      MAY_BE_NULL | MAY_BE_DOUBLE),
479 	F0("rad2deg",                      MAY_BE_NULL | MAY_BE_DOUBLE),
480 	F0("bindec",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE),
481 	F0("hexdec",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE),
482 	F0("octdec",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE),
483 	F1("decbin",                       MAY_BE_NULL | MAY_BE_STRING),
484 	F1("decoct",                       MAY_BE_NULL | MAY_BE_STRING),
485 	FC("dechex",                       zend_dechex_info),
486 	F1("base_convert",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
487 	F1("number_format",                MAY_BE_NULL | MAY_BE_STRING),
488 	F0("fmod",                         MAY_BE_NULL | MAY_BE_DOUBLE),
489 #ifdef HAVE_INET_NTOP
490 	F1("inet_ntop",                    MAY_BE_FALSE | MAY_BE_STRING),
491 #endif
492 #ifdef HAVE_INET_PTON
493 	F1("inet_pton",                    MAY_BE_FALSE | MAY_BE_STRING),
494 #endif
495 	F0("ip2long",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
496 	F1("long2ip",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
497 	F1("getenv",                       MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING),
498 #ifdef HAVE_PUTENV
499 	F0("putenv",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
500 #endif
501 	F1("getopt",                       MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
502 #ifdef HAVE_GETLOADAVG
503 	F1("sys_getloadavg",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_DOUBLE),
504 #endif
505 #ifdef HAVE_GETTIMEOFDAY
506 	F1("microtime",                    MAY_BE_NULL | MAY_BE_DOUBLE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG | MAY_BE_STRING),
507 	F1("gettimeofday",                 MAY_BE_NULL | MAY_BE_DOUBLE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_STRING),
508 #endif
509 #ifdef HAVE_GETRUSAGE
510 	F1("getrusage",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG),
511 #endif
512 #ifdef HAVE_GETTIMEOFDAY
513 	F1("uniqid",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
514 #endif
515 	F1("quoted_printable_decode",      MAY_BE_NULL | MAY_BE_STRING),
516 	F1("quoted_printable_encode",      MAY_BE_NULL | MAY_BE_STRING),
517 	F1("convert_cyr_string",           MAY_BE_NULL | MAY_BE_STRING),
518 	F1("get_current_user",             MAY_BE_NULL | MAY_BE_STRING),
519 	F0("set_time_limit",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
520 	F0("header_register_callback",     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
521 	F1("get_cfg_var",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
522 	F0("magic_quotes_runtime",         MAY_BE_NULL | MAY_BE_FALSE),
523 	F0("set_magic_quotes_runtime",     MAY_BE_NULL | MAY_BE_FALSE),
524 	F0("get_magic_quotes_gpc",         MAY_BE_NULL | MAY_BE_FALSE),
525 	F0("get_magic_quotes_runtime",     MAY_BE_NULL | MAY_BE_FALSE),
526 	F0("error_log",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
527 	F1("error_get_last",               MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
528 	FN("call_user_func",               UNKNOWN_INFO),
529 	FN("call_user_func_array",         UNKNOWN_INFO),
530 	FN("call_user_method",             UNKNOWN_INFO),
531 	FN("call_user_method_array",       UNKNOWN_INFO),
532 	FN("forward_static_call",          UNKNOWN_INFO),
533 	FN("forward_static_call_array",    UNKNOWN_INFO),
534 	F1("serialize",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
535 	FN("unserialize",                  UNKNOWN_INFO),
536 	F0("var_dump",                     MAY_BE_NULL),
537 	F1("var_export",                   MAY_BE_NULL | MAY_BE_STRING),
538 	F0("debug_zval_dump",              MAY_BE_NULL),
539 	F1("print_r",                      MAY_BE_FALSE | MAY_BE_STRING),
540 	F0("memory_get_usage",             MAY_BE_FALSE | MAY_BE_LONG),
541 	F0("memory_get_peak_usage",        MAY_BE_FALSE | MAY_BE_LONG),
542 	F0("register_shutdown_function",   MAY_BE_NULL | MAY_BE_FALSE),
543 	F0("register_tick_function",       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
544 	F0("unregister_tick_function",     MAY_BE_NULL),
545 	F1("highlight_file",               MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
546 	F1("show_source",                  MAY_BE_FALSE | MAY_BE_STRING),
547 	F1("highlight_string",             MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
548 	F1("php_strip_whitespace",         MAY_BE_FALSE | MAY_BE_STRING),
549 	FN("ini_get",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
550 	F1("ini_get_all",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
551 	FN("ini_set",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
552 	F1("ini_alter",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
553 	F0("ini_restore",                  MAY_BE_NULL),
554 	F1("get_include_path",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
555 	F1("set_include_path",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
556 	F0("restore_include_path",         MAY_BE_NULL),
557 	F0("setcookie",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
558 	F0("setrawcookie",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
559 	F0("header",                       MAY_BE_NULL),
560 	F0("header_remove",                MAY_BE_NULL),
561 	F0("headers_sent",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
562 	F1("headers_list",                 MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
563 	F0("http_response_code",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
564 	F0("connection_aborted",           MAY_BE_LONG),
565 	F0("connection_status",            MAY_BE_LONG),
566 	F0("ignore_user_abort",            MAY_BE_NULL | MAY_BE_LONG),
567 	F1("parse_ini_file",               MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
568 	F1("parse_ini_string",             MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
569 #if ZEND_DEBUG
570 	F1("config_get_hash",              MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
571 #endif
572 	F0("is_uploaded_file",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
573 	F0("move_uploaded_file",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
574 	F1("gethostbyaddr",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
575 	F1("gethostbyname",                MAY_BE_NULL | MAY_BE_STRING),
576 	F1("gethostbynamel",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
577 #ifdef HAVE_GETHOSTNAME
578 	F1("gethostname",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
579 #endif
580 #if defined(PHP_WIN32) || (HAVE_DNS_SEARCH_FUNC && !(defined(__BEOS__)))
581 	F0("dns_check_record",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
582 	F0("checkdnsrr",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
583 # if defined(PHP_WIN32) || HAVE_FULL_DNS_FUNCS
584 	F0("dns_get_mx",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
585 	F0("getmxrr",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
586 	F1("dns_get_record",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ARRAY),
587 # endif
588 #endif
589 	F0("intval",                       MAY_BE_NULL | MAY_BE_LONG),
590 	F0("floatval",                     MAY_BE_NULL | MAY_BE_DOUBLE),
591 	F0("doubleval",                    MAY_BE_NULL | MAY_BE_DOUBLE),
592 	FN("strval",                       MAY_BE_NULL | MAY_BE_STRING),
593 	F0("boolval",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
594 	FN("gettype",                      MAY_BE_NULL | MAY_BE_STRING),
595 	F0("settype",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
596 	FC("is_null",                      zend_is_type_info),
597 	F0("is_resource",                  MAY_BE_FALSE | MAY_BE_TRUE), // TODO: inline with support for closed resources
598 	FC("is_bool",                      zend_is_type_info),
599 	FC("is_long",                      zend_is_type_info),
600 	FC("is_float",                     zend_is_type_info),
601 	FC("is_int",                       zend_is_type_info),
602 	FC("is_integer",                   zend_is_type_info),
603 	FC("is_double",                    zend_is_type_info),
604 	FC("is_real",                      zend_is_type_info),
605 	F0("is_numeric",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
606 	FC("is_string",                    zend_is_type_info),
607 	FC("is_array",                     zend_is_type_info),
608 	F0("is_object",                    MAY_BE_FALSE | MAY_BE_TRUE), // TODO: inline with support for incomplete class
609 	F0("is_scalar",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
610 	F0("is_callable",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
611 	F0("pclose",                       MAY_BE_FALSE | MAY_BE_LONG),
612 	F1("popen",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
613 	F0("readfile",                     MAY_BE_FALSE | MAY_BE_LONG),
614 	F0("rewind",                       MAY_BE_FALSE | MAY_BE_TRUE),
615 	F0("rmdir",                        MAY_BE_FALSE | MAY_BE_TRUE),
616 	F0("umask",                        MAY_BE_FALSE | MAY_BE_LONG),
617 	F0("fclose",                       MAY_BE_FALSE | MAY_BE_TRUE),
618 	F0("feof",                         MAY_BE_FALSE | MAY_BE_TRUE),
619 	F1("fgetc",                        MAY_BE_FALSE | MAY_BE_STRING),
620 	F1("fgets",                        MAY_BE_FALSE | MAY_BE_STRING),
621 	F1("fgetss",                       MAY_BE_FALSE | MAY_BE_STRING),
622 	F1("fread",                        MAY_BE_FALSE | MAY_BE_STRING),
623 	F1("fopen",                        MAY_BE_FALSE | MAY_BE_RESOURCE),
624 	F0("fpassthru",                    MAY_BE_FALSE | MAY_BE_LONG),
625 	F0("ftruncate",                    MAY_BE_FALSE | MAY_BE_TRUE),
626 	F1("fstat",                        MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG),
627 	F0("fseek",                        MAY_BE_FALSE | MAY_BE_LONG),
628 	F0("ftell",                        MAY_BE_FALSE | MAY_BE_LONG),
629 	F0("fflush",                       MAY_BE_FALSE | MAY_BE_TRUE),
630 	F0("fwrite",                       MAY_BE_FALSE | MAY_BE_LONG),
631 	F0("fputs",                        MAY_BE_FALSE | MAY_BE_LONG),
632 	F0("mkdir",                        MAY_BE_FALSE | MAY_BE_TRUE),
633 	F0("rename",                       MAY_BE_FALSE | MAY_BE_TRUE),
634 	F0("copy",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
635 	F1("tempnam",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
636 	F1("tmpfile",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
637 	F1("file",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
638 	F1("file_get_contents",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
639 	F0("file_put_contents",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
640 	F0("stream_select",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
641 	F1("stream_context_create",        MAY_BE_FALSE | MAY_BE_RESOURCE),
642 	F0("stream_context_set_params",    MAY_BE_FALSE | MAY_BE_TRUE),
643 	F1("stream_context_get_params",    MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
644 	F0("stream_context_set_option",    MAY_BE_FALSE | MAY_BE_TRUE),
645 	FN("stream_context_get_options",   MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
646 	FN("stream_context_get_default",   MAY_BE_FALSE | MAY_BE_RESOURCE),
647 	FN("stream_context_set_default",   MAY_BE_FALSE | MAY_BE_RESOURCE),
648 	FN("stream_filter_prepend",        MAY_BE_FALSE | MAY_BE_RESOURCE),
649 	FN("stream_filter_append",         MAY_BE_FALSE | MAY_BE_RESOURCE),
650 	F0("stream_filter_remove",         MAY_BE_FALSE | MAY_BE_TRUE),
651 	F1("stream_socket_client",         MAY_BE_FALSE | MAY_BE_RESOURCE),
652 	F1("stream_socket_server",         MAY_BE_FALSE | MAY_BE_RESOURCE),
653 	F1("stream_socket_accept",         MAY_BE_FALSE | MAY_BE_RESOURCE),
654 	F1("stream_socket_get_name",       MAY_BE_FALSE | MAY_BE_STRING),
655 	F1("stream_socket_recvfrom",       MAY_BE_FALSE | MAY_BE_STRING),
656 	F0("stream_socket_sendto",         MAY_BE_FALSE | MAY_BE_LONG),
657 	F0("stream_socket_enable_crypto",  MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_LONG),
658 #ifdef HAVE_SHUTDOWN
659 	F0("stream_socket_shutdown",       MAY_BE_FALSE | MAY_BE_TRUE),
660 #endif
661 #if HAVE_SOCKETPAIR
662 	F1("stream_socket_pair",           MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_RESOURCE),
663 #endif
664 	F0("stream_copy_to_stream",        MAY_BE_FALSE | MAY_BE_LONG),
665 	F1("stream_get_contents",          MAY_BE_FALSE | MAY_BE_STRING),
666 	F0("stream_supports_lock",         MAY_BE_FALSE | MAY_BE_TRUE),
667 	F1("fgetcsv",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_NULL | MAY_BE_ARRAY_OF_STRING),
668 	F0("fputcsv",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
669 	F0("flock",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
670 	F1("get_meta_tags",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING),
671 	F0("stream_set_read_buffer",       MAY_BE_FALSE | MAY_BE_LONG),
672 	F0("stream_set_write_buffer",      MAY_BE_FALSE | MAY_BE_LONG),
673 	F0("set_file_buffer",              MAY_BE_FALSE | MAY_BE_LONG),
674 	F0("stream_set_chunk_size",        MAY_BE_FALSE | MAY_BE_LONG),
675 	F0("set_socket_blocking",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
676 	F0("stream_set_blocking",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
677 	F0("socket_set_blocking",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
678 	F1("stream_get_meta_data",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
679 	F1("stream_get_line",              MAY_BE_FALSE | MAY_BE_STRING),
680 	F0("stream_wrapper_register",      MAY_BE_FALSE | MAY_BE_TRUE),
681 	F0("stream_register_wrapper",      MAY_BE_FALSE | MAY_BE_TRUE),
682 	F0("stream_wrapper_unregister",    MAY_BE_FALSE | MAY_BE_TRUE),
683 	F0("stream_wrapper_restore",       MAY_BE_FALSE | MAY_BE_TRUE),
684 	F1("stream_get_wrappers",          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
685 	F1("stream_get_transports",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
686 	F1("stream_resolve_include_path",  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
687 	F0("stream_is_local",              MAY_BE_FALSE | MAY_BE_TRUE),
688 	F1("get_headers",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
689 #if HAVE_SYS_TIME_H || defined(PHP_WIN32)
690 	F0("stream_set_timeout",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
691 	F0("socket_set_timeout",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
692 #endif
693 	F1("socket_get_status",            MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
694 #if (!defined(__BEOS__) && HAVE_REALPATH) || defined(ZTS)
695 	F1("realpath",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
696 #endif
697 #ifdef HAVE_FNMATCH
698 	F0("fnmatch",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
699 #endif
700 	F1("fsockopen",                    MAY_BE_FALSE | MAY_BE_RESOURCE),
701 	FN("pfsockopen",                   MAY_BE_FALSE | MAY_BE_RESOURCE),
702 	F1("pack",                         MAY_BE_FALSE | MAY_BE_STRING),
703 	F1("unpack",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
704 	F1("get_browser",                  MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_OBJECT | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
705 	F1("crypt",                        MAY_BE_NULL | MAY_BE_STRING),
706 	FN("opendir",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
707 	F0("closedir",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
708 	F0("chdir",                        MAY_BE_FALSE | MAY_BE_TRUE),
709 #if defined(HAVE_CHROOT) && !defined(ZTS) && ENABLE_CHROOT_FUNC
710 	F0("chroot",                       MAY_BE_FALSE | MAY_BE_TRUE),
711 #endif
712 	F1("getcwd",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
713 	F0("rewinddir",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
714 	F1("readdir",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
715 	F1("dir",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
716 	F1("scandir",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
717 #ifdef HAVE_GLOB
718 	F1("glob",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
719 #endif
720 	F0("fileatime",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
721 	F0("filectime",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
722 	F0("filegroup",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
723 	F0("fileinode",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
724 	F0("filemtime",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
725 	F0("fileowner",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
726 	F0("fileperms",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
727 	F0("filesize",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
728 	F1("filetype",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
729 	F0("file_exists",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
730 	F0("is_writable",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
731 	F0("is_writeable",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
732 	F0("is_readable",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
733 	F0("is_executable",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
734 	F0("is_file",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
735 	F0("is_dir",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
736 	F0("is_link",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
737 	F1("stat",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
738 	F1("lstat",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
739 	F0("chown",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
740 	F0("chgrp",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
741 #if HAVE_LCHOWN
742 	F0("lchown",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
743 #endif
744 #if HAVE_LCHOWN
745 	F0("lchgrp",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
746 #endif
747 	F0("chmod",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
748 #if HAVE_UTIME
749 	F0("touch",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
750 #endif
751 	F0("clearstatcache",               MAY_BE_NULL),
752 	F0("disk_total_space",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
753 	F0("disk_free_space",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
754 	F0("diskfreespace",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_DOUBLE),
755 	F0("realpath_cache_size",          MAY_BE_NULL | MAY_BE_LONG),
756 	F1("realpath_cache_get",           MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ARRAY),
757 	F0("mail",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
758 	F0("ezmlm_hash",                   MAY_BE_NULL | MAY_BE_LONG),
759 #ifdef HAVE_SYSLOG_H
760 	F0("openlog",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
761 	F0("syslog",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
762 	F0("closelog",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
763 #endif
764 	F0("lcg_value",                    MAY_BE_DOUBLE),
765 	F1("metaphone",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
766 	F0("ob_start",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
767 	F0("ob_flush",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
768 	F0("ob_clean",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
769 	F0("ob_end_flush",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
770 	F0("ob_end_clean",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
771 	F1("ob_get_flush",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
772 	F1("ob_get_clean",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
773 	F0("ob_get_length",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
774 	F0("ob_get_level",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
775 	F1("ob_get_status",                MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
776 	FN("ob_get_contents",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
777 	F0("ob_implicit_flush",            MAY_BE_NULL),
778 	F1("ob_list_handlers",             MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
779 	F0("ksort",                        MAY_BE_FALSE | MAY_BE_TRUE),
780 	F0("krsort",                       MAY_BE_FALSE | MAY_BE_TRUE),
781 	F0("natsort",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
782 	F0("natcasesort",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
783 	F0("asort",                        MAY_BE_FALSE | MAY_BE_TRUE),
784 	F0("arsort",                       MAY_BE_FALSE | MAY_BE_TRUE),
785 	F0("sort",                         MAY_BE_FALSE | MAY_BE_TRUE),
786 	F0("rsort",                        MAY_BE_FALSE | MAY_BE_TRUE),
787 	F0("usort",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
788 	F0("uasort",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
789 	F0("uksort",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
790 	F0("shuffle",                      MAY_BE_FALSE | MAY_BE_TRUE),
791 	F0("array_walk",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
792 	F0("array_walk_recursive",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
793 	F0("count",                        MAY_BE_NULL | MAY_BE_LONG),
794 	FN("end",                          UNKNOWN_INFO),
795 	FN("prev",                         UNKNOWN_INFO),
796 	FN("next",                         UNKNOWN_INFO),
797 	FN("reset",                        UNKNOWN_INFO),
798 	FN("current",                      UNKNOWN_INFO),
799 	FN("key",                          MAY_BE_NULL | MAY_BE_LONG | MAY_BE_STRING),
800 	FN("min",                          UNKNOWN_INFO),
801 	FN("max",                          UNKNOWN_INFO),
802 	F0("in_array",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
803 	FN("array_search",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING),
804 	F0("extract",                      MAY_BE_NULL | MAY_BE_LONG),
805 	F1("compact",                      MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
806 	F1("array_fill",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
807 	F1("array_fill_keys",              MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
808 	FC("range",                        zend_range_info),
809 	F0("array_multisort",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
810 	F0("array_push",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
811 	FN("array_pop",                    UNKNOWN_INFO),
812 	FN("array_shift",                  UNKNOWN_INFO),
813 	F0("array_unshift",                MAY_BE_NULL | MAY_BE_LONG),
814 	F1("array_splice",                 MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
815 	F1("array_slice",                  MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
816 	F1("array_merge",                  MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
817 	F1("array_merge_recursive",        MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
818 	F1("array_replace",                MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
819 	F1("array_replace_recursive",      MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
820 	FN("array_keys",                   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
821 	FN("array_values",                 MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
822 	F1("array_count_values",           MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG),
823 	F1("array_column",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
824 	F1("array_reverse",                MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
825 	F1("array_reduce",                 UNKNOWN_INFO),
826 	FN("array_pad",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
827 	F1("array_flip",                   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
828 	F1("array_change_key_case",        MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
829 	F1("array_rand",                   UNKNOWN_INFO),
830 	FN("array_unique",                 MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
831 	F1("array_intersect",              MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
832 	F1("array_intersect_key",          MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
833 	F1("array_intersect_ukey",         MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
834 	F1("array_uintersect",             MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
835 	F1("array_intersect_assoc",        MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
836 	F1("array_uintersect_assoc",       MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
837 	F1("array_intersect_uassoc",       MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
838 	F1("array_uintersect_uassoc",      MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
839 	FN("array_diff",                   MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
840 	F1("array_diff_key",               MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
841 	F1("array_diff_ukey",              MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
842 	F1("array_udiff",                  MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
843 	F1("array_diff_assoc",             MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
844 	F1("array_udiff_assoc",            MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
845 	F1("array_diff_uassoc",            MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
846 	F1("array_udiff_uassoc",           MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
847 	F0("array_sum",                    MAY_BE_NULL | MAY_BE_LONG | MAY_BE_DOUBLE),
848 	F0("array_product",                MAY_BE_NULL | MAY_BE_LONG | MAY_BE_DOUBLE),
849 	F1("array_filter",                 MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
850 	FN("array_map",                    MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
851 	F1("array_chunk",                  MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
852 	F1("array_combine",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
853 	F0("array_key_exists",             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
854 	F1("pos",                          UNKNOWN_INFO),
855 	F0("sizeof",                       MAY_BE_NULL | MAY_BE_LONG),
856 	F0("key_exists",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
857 	F0("assert",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
858 	F1("assert_options",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_OBJECT | MAY_BE_OBJECT),
859 	F0("version_compare",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_LONG),
860 #if HAVE_FTOK
861 	F0("ftok",                         MAY_BE_NULL | MAY_BE_LONG),
862 #endif
863 	F1("str_rot13",                    MAY_BE_NULL | MAY_BE_STRING),
864 	F1("stream_get_filters",           MAY_BE_NULL | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
865 	F0("stream_filter_register",       MAY_BE_FALSE | MAY_BE_TRUE),
866 	F1("stream_bucket_make_writeable", MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
867 	F1("stream_bucket_prepend",        MAY_BE_FALSE | MAY_BE_OBJECT),
868 	F1("stream_bucket_append",         MAY_BE_FALSE | MAY_BE_OBJECT),
869 	F1("stream_bucket_new",            MAY_BE_FALSE | MAY_BE_OBJECT),
870 	F0("output_add_rewrite_var",       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
871 	F0("output_reset_rewrite_vars",    MAY_BE_FALSE),
872 	F1("sys_get_temp_dir",             MAY_BE_NULL | MAY_BE_STRING),
873 
874 	/* ext/date */
875 	F0("strtotime",                             MAY_BE_FALSE | MAY_BE_LONG),
876 	F1("date",                                  MAY_BE_FALSE | MAY_BE_STRING),
877 	F0("idate",                                 MAY_BE_FALSE | MAY_BE_LONG),
878 	F1("gmdate",                                MAY_BE_FALSE | MAY_BE_STRING),
879 	F0("mktime",                                MAY_BE_FALSE | MAY_BE_LONG),
880 	F0("gmmktime",                              MAY_BE_FALSE | MAY_BE_LONG),
881 	F0("checkdate",                             MAY_BE_FALSE | MAY_BE_TRUE),
882 #ifdef HAVE_STRFTIME
883 	F1("strftime",                              MAY_BE_FALSE | MAY_BE_STRING),
884 	F1("gmstrftime",                            MAY_BE_FALSE | MAY_BE_STRING),
885 #endif
886 	F0("time",                                  MAY_BE_LONG),
887 	F1("localtime",                             MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG),
888 	F1("getdate",                               MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING),
889 	F1("date_create",                           MAY_BE_FALSE | MAY_BE_OBJECT),
890 	F1("date_create_immutable",                 MAY_BE_FALSE | MAY_BE_OBJECT),
891 	F1("date_create_from_format",               MAY_BE_FALSE | MAY_BE_OBJECT),
892 	F1("date_create_immutable_from_format",     MAY_BE_FALSE | MAY_BE_OBJECT),
893 	F1("date_parse",                            MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
894 	F1("date_parse_from_format",                MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
895 	F1("date_get_last_errors",                  MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_ARRAY),
896 	F1("date_format",                           MAY_BE_FALSE | MAY_BE_STRING),
897 	FN("date_modify",                           MAY_BE_FALSE | MAY_BE_OBJECT),
898 	FN("date_add",                              MAY_BE_FALSE | MAY_BE_OBJECT),
899 	FN("date_sub",                              MAY_BE_FALSE | MAY_BE_OBJECT),
900 	F1("date_timezone_get",                     MAY_BE_FALSE | MAY_BE_OBJECT),
901 	FN("date_timezone_set",                     MAY_BE_FALSE | MAY_BE_OBJECT),
902 	F0("date_offset_get",                       MAY_BE_FALSE | MAY_BE_LONG),
903 	F1("date_diff",                             MAY_BE_FALSE | MAY_BE_OBJECT),
904 	FN("date_time_set",                         MAY_BE_FALSE | MAY_BE_OBJECT),
905 	FN("date_date_set",                         MAY_BE_FALSE | MAY_BE_OBJECT),
906 	FN("date_isodate_set",                      MAY_BE_FALSE | MAY_BE_OBJECT),
907 	FN("date_timestamp_set",                    MAY_BE_FALSE | MAY_BE_OBJECT),
908 	F0("date_timestamp_get",                    MAY_BE_FALSE | MAY_BE_LONG),
909 	F1("timezone_open",                         MAY_BE_FALSE | MAY_BE_OBJECT),
910 	F1("timezone_name_get",                     MAY_BE_FALSE | MAY_BE_STRING),
911 	F1("timezone_name_from_abbr",               MAY_BE_FALSE | MAY_BE_STRING),
912 	F0("timezone_offset_get",                   MAY_BE_FALSE | MAY_BE_LONG),
913 	F1("timezone_transitions_get",              MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
914 	F1("timezone_location_get",                 MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_DOUBLE | MAY_BE_ARRAY_OF_STRING),
915 	F1("timezone_identifiers_list",             MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
916 	F1("timezone_abbreviations_list",           MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ARRAY),
917 	F1("timezone_version_get",                  MAY_BE_STRING),
918 	F1("date_interval_create_from_date_string", MAY_BE_FALSE | MAY_BE_OBJECT),
919 	F1("date_interval_format",                  MAY_BE_FALSE | MAY_BE_STRING),
920 	F0("date_default_timezone_set",             MAY_BE_FALSE | MAY_BE_TRUE),
921 	F1("date_default_timezone_get",             MAY_BE_STRING),
922 	F1("date_sunrise",                          MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE | MAY_BE_STRING),
923 	F1("date_sunset",                           MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_DOUBLE | MAY_BE_STRING),
924 	F1("date_sun_info",                         MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_LONG),
925 
926 	/* ext/preg */
927 	F0("preg_match",				            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
928 	F0("preg_match_all",			            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
929 	FN("preg_replace",			                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING),
930 	FN("preg_replace_callback",	                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING),
931 	F1("preg_filter",				            MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_STRING),
932 	F1("preg_split",				            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
933 	FN("preg_quote",				            MAY_BE_NULL | MAY_BE_STRING),
934 	F1("preg_grep",				                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_OF_ANY),
935 	F0("preg_last_error",			            MAY_BE_NULL | MAY_BE_LONG),
936 
937 	/* ext/ereg */
938 	F0("ereg",			                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
939 	F1("ereg_replace",	                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
940 	F0("eregi",			                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
941 	F1("eregi_replace",	                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
942 	F1("split",			                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
943 	F1("spliti",			                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
944 	F1("sql_regcase",		                    MAY_BE_NULL | MAY_BE_STRING),
945 
946 	/* ext/mysql */
947 	F1("mysql_connect",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
948 	F1("mysql_pconnect",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
949 	F0("mysql_close",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
950 	F0("mysql_select_db",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
951 	F0("mysql_create_db",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
952 	F0("mysql_drop_db",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
953 	F1("mysql_query",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_RESOURCE),
954 	F1("mysql_unbuffered_query",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_RESOURCE),
955 	F1("mysql_db_query",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_RESOURCE),
956 	F1("mysql_list_dbs",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
957 	F1("mysql_list_tables",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
958 	F1("mysql_list_fields",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
959 	F1("mysql_list_processes",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
960 	F1("mysql_error",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
961 	F0("mysql_errno",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
962 	F0("mysql_affected_rows",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
963 	F0("mysql_insert_id",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
964 	F1("mysql_result",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
965 	F0("mysql_num_rows",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
966 	F0("mysql_num_fields",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
967 	F1("mysql_fetch_row",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_ANY),
968 	F1("mysql_fetch_array",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
969 	F1("mysql_fetch_assoc",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_ANY),
970 	F1("mysql_fetch_object",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
971 	F0("mysql_data_seek",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
972 	F1("mysql_fetch_lengths",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG),
973 	F1("mysql_fetch_field",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
974 	F0("mysql_field_seek",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
975 	F0("mysql_free_result",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
976 	F1("mysql_field_name",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
977 	F1("mysql_field_table",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
978 	F0("mysql_field_len",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
979 	F1("mysql_field_type",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
980 	F1("mysql_field_flags",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
981 	F1("mysql_escape_string",					MAY_BE_NULL | MAY_BE_STRING),
982 	F1("mysql_real_escape_string",				MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
983 	F1("mysql_stat",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
984 	F0("mysql_thread_id",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
985 	F1("mysql_client_encoding",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
986 	F0("mysql_ping",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
987 	F1("mysql_get_client_info",					MAY_BE_NULL | MAY_BE_STRING),
988 	F1("mysql_get_host_info",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
989 	F0("mysql_get_proto_info",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
990 	F1("mysql_get_server_info",					MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
991 	F1("mysql_info",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
992 	F0("mysql_set_charset",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
993 	F1("mysql",									MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
994 	F1("mysql_fieldname",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
995 	F1("mysql_fieldtable",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
996 	F0("mysql_fieldlen",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
997 	F1("mysql_fieldtype",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
998 	F1("mysql_fieldflags",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
999 	F0("mysql_selectdb",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1000 	F0("mysql_createdb",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1001 	F0("mysql_dropdb",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1002 	F0("mysql_freeresult",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1003 	F0("mysql_numfields",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1004 	F0("mysql_numrows",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1005 	F1("mysql_listdbs",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
1006 	F1("mysql_listtables",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
1007 	F1("mysql_listfields",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
1008 	F1("mysql_db_name",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1009 	F1("mysql_dbname",							MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1010 	F1("mysql_tablename",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1011 	F1("mysql_table_name",						MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1012 
1013 	/* ext/curl */
1014 	F1("curl_init",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
1015 	F1("curl_copy_handle",                      MAY_BE_NULL | MAY_BE_RESOURCE),
1016 	F1("curl_version",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
1017 	F0("curl_setopt",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1018 	F0("curl_setopt_array",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1019 	FN("curl_exec",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1020 	F1("curl_getinfo",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_LONG | MAY_BE_DOUBLE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
1021 	F1("curl_error",                            MAY_BE_NULL | MAY_BE_STRING),
1022 	F0("curl_errno",                            MAY_BE_NULL | MAY_BE_LONG),
1023 	F0("curl_close",                            MAY_BE_NULL),
1024 	F1("curl_strerror",                         MAY_BE_NULL | MAY_BE_STRING),
1025 	F1("curl_multi_strerror",                   MAY_BE_NULL | MAY_BE_STRING),
1026 	F0("curl_reset",                            MAY_BE_NULL),
1027 	F1("curl_escape",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1028 	F1("curl_unescape",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1029 	F0("curl_pause",                            MAY_BE_NULL | MAY_BE_LONG),
1030 	F1("curl_multi_init",                       MAY_BE_NULL | MAY_BE_RESOURCE),
1031 	F0("curl_multi_add_handle",                 MAY_BE_NULL | MAY_BE_LONG),
1032 	F0("curl_multi_remove_handle",              MAY_BE_NULL | MAY_BE_LONG),
1033 	F0("curl_multi_select",                     MAY_BE_NULL | MAY_BE_LONG),
1034 	F0("curl_multi_exec",                       MAY_BE_NULL | MAY_BE_LONG),
1035 	FN("curl_multi_getcontent",                 MAY_BE_NULL | MAY_BE_STRING),
1036 	F1("curl_multi_info_read",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_RESOURCE),
1037 	F0("curl_multi_close",                      MAY_BE_NULL | MAY_BE_FALSE),
1038 	F0("curl_multi_setopt",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1039 	F1("curl_share_init",                       MAY_BE_NULL | MAY_BE_RESOURCE),
1040 	F0("curl_share_close",                      MAY_BE_NULL),
1041 	F0("curl_share_setopt",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1042 	F1("curl_file_create",                      MAY_BE_OBJECT),
1043 
1044 	/* ext/mbstring */
1045 	F1("mb_convert_case",                       MAY_BE_FALSE | MAY_BE_STRING),
1046 	F1("mb_strtoupper",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1047 	F1("mb_strtolower",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1048 	F1("mb_language",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
1049 	F1("mb_internal_encoding",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
1050 	F1("mb_http_input",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1051 	F1("mb_http_output",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
1052 	F1("mb_detect_order",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1053 	F1("mb_substitute_character",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_LONG | MAY_BE_STRING),
1054 	F0("mb_parse_str",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1055 	F1("mb_output_handler",                     MAY_BE_NULL | MAY_BE_STRING),
1056 	F1("mb_preferred_mime_name",                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1057 	F0("mb_strlen",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1058 	F0("mb_strpos",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1059 	F0("mb_strrpos",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1060 	F0("mb_stripos",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1061 	F0("mb_strripos",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1062 	F1("mb_strstr",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1063 	F1("mb_strrchr",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1064 	F1("mb_stristr",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1065 	F1("mb_strrichr",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1066 	F0("mb_substr_count",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1067 	F1("mb_substr",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1068 	F1("mb_strcut",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1069 	F0("mb_strwidth",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1070 	F1("mb_strimwidth",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1071 	F1("mb_convert_encoding",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
1072 	F1("mb_detect_encoding",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1073 	F1("mb_list_encodings",                     MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1074 	F1("mb_encoding_aliases",                   MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1075 	F1("mb_convert_kana",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1076 	F1("mb_encode_mimeheader",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1077 	F1("mb_decode_mimeheader",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1078 	F1("mb_convert_variables",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1079 	F1("mb_encode_numericentity",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1080 	F1("mb_decode_numericentity",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1081 	F0("mb_send_mail",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1082 	F1("mb_get_info",                           MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_LONG | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
1083 	F0("mb_check_encoding",                     MAY_BE_FALSE | MAY_BE_TRUE),
1084 
1085 	F1("mb_regex_encoding",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE | MAY_BE_STRING),
1086 	F1("mb_regex_set_options",                  MAY_BE_FALSE | MAY_BE_STRING),
1087 	F0("mb_ereg",                               MAY_BE_FALSE | MAY_BE_LONG),
1088 	F0("mb_eregi",                              MAY_BE_FALSE | MAY_BE_LONG),
1089 	F1("mb_ereg_replace",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1090 	F1("mb_eregi_replace",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1091 	F1("mb_ereg_replace_callback",              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1092 	F1("mb_split",                              MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1093 	F0("mb_ereg_match",                         MAY_BE_FALSE | MAY_BE_TRUE),
1094 	F0("mb_ereg_search",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1095 	F1("mb_ereg_search_pos",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG),
1096 	F1("mb_ereg_search_regs",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_STRING),
1097 	F0("mb_ereg_search_init",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1098 	F1("mb_ereg_search_getregs",                MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_STRING),
1099 	F0("mb_ereg_search_getpos",                 MAY_BE_LONG),
1100 	F0("mb_ereg_search_setpos",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1101 
1102 	F0("mbregex_encoding",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1103 	F0("mbereg",                                MAY_BE_FALSE | MAY_BE_LONG),
1104 	F0("mberegi",                               MAY_BE_FALSE | MAY_BE_LONG),
1105 	F1("mbereg_replace",                        MAY_BE_FALSE | MAY_BE_STRING),
1106 	F1("mberegi_replace",                       MAY_BE_FALSE | MAY_BE_STRING),
1107 	F1("mbsplit",                               MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1108 	F0("mbereg_match",                          MAY_BE_FALSE | MAY_BE_TRUE),
1109 	F0("mbereg_search",                         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1110 	F1("mbereg_search_pos",                     MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_LONG),
1111 	F1("mbereg_search_regs",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_STRING),
1112 	F0("mbereg_search_init",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1113 	F1("mbereg_search_getregs",                 MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_FALSE | MAY_BE_ARRAY_OF_TRUE | MAY_BE_ARRAY_OF_STRING),
1114 	F0("mbereg_search_getpos",                  MAY_BE_LONG),
1115 	F0("mbereg_search_setpos",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1116 
1117 	/* ext/iconv */
1118 	F1("iconv",                                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1119 	F1("iconv_get_encoding",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING),
1120 	F0("iconv_set_encoding",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1121 	F0("iconv_strlen",                          MAY_BE_FALSE | MAY_BE_LONG),
1122 	F1("iconv_substr",                          MAY_BE_FALSE | MAY_BE_STRING),
1123 	F0("iconv_strpos",                          MAY_BE_FALSE | MAY_BE_LONG),
1124 	F0("iconv_strrpos",                         MAY_BE_FALSE | MAY_BE_LONG),
1125 	F1("iconv_mime_encode",                     MAY_BE_FALSE | MAY_BE_STRING),
1126 	F1("iconv_mime_decode",                     MAY_BE_FALSE | MAY_BE_STRING),
1127 	F1("iconv_mime_decode_headers",             MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_STRING | MAY_BE_ARRAY_OF_STRING | MAY_BE_ARRAY_OF_ARRAY),
1128 
1129 	/* ext/json */
1130 	F1("json_encode",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1131 	F1("json_decode",                           MAY_BE_ANY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY),
1132 	F0("json_last_error",                       MAY_BE_NULL | MAY_BE_LONG),
1133 	F1("json_last_error_msg",                   MAY_BE_NULL | MAY_BE_STRING),
1134 
1135 	/* ext/xml */
1136 	FN("xml_parser_create",                     MAY_BE_FALSE | MAY_BE_RESOURCE),
1137 	FN("xml_parser_create_ns",                  MAY_BE_FALSE | MAY_BE_RESOURCE),
1138 	F0("xml_set_object",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1139 	F0("xml_set_element_handler",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1140 	F0("xml_set_character_data_handler",        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1141 	F0("xml_set_processing_instruction_handler",MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1142 	F0("xml_set_default_handler",               MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1143 	F0("xml_set_unparsed_entity_decl_handler",  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1144 	F0("xml_set_notation_decl_handler",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1145 	F0("xml_set_external_entity_ref_handler",   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1146 	F0("xml_set_start_namespace_decl_handler",  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1147 	F0("xml_set_end_namespace_decl_handler",    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1148 	F0("xml_parse",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1149 	F0("xml_parse_into_struct",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1150 	F0("xml_get_error_code",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1151 	F1("xml_error_string",                      MAY_BE_NULL | MAY_BE_STRING),
1152 	F0("xml_get_current_line_number",           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1153 	F0("xml_get_current_column_number",         MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1154 	F0("xml_get_current_byte_index",            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1155 	F0("xml_parser_free",                       MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1156 	F0("xml_parser_set_option",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1157 	F1("xml_parser_get_option",                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG | MAY_BE_STRING),
1158 	F1("utf8_encode",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1159 	F1("utf8_decode",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1160 
1161 	/* ext/zlib */
1162 	F0("readgzfile",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1163 	F0("gzrewind",                              MAY_BE_FALSE | MAY_BE_TRUE),
1164 	F0("gzclose",                               MAY_BE_FALSE | MAY_BE_TRUE),
1165 	F0("gzeof",                                 MAY_BE_FALSE | MAY_BE_TRUE),
1166 	F1("gzgetc",                                MAY_BE_FALSE | MAY_BE_STRING),
1167 	F1("gzgets",                                MAY_BE_FALSE | MAY_BE_STRING),
1168 	F1("gzgetss",                               MAY_BE_FALSE | MAY_BE_STRING),
1169 	F1("gzread",                                MAY_BE_FALSE | MAY_BE_STRING),
1170 	F1("gzopen",                                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_RESOURCE),
1171 	F0("gzpassthru",                            MAY_BE_FALSE | MAY_BE_LONG),
1172 	F0("gzseek",                                MAY_BE_FALSE | MAY_BE_LONG),
1173 	F0("gztell",                                MAY_BE_FALSE | MAY_BE_LONG),
1174 	F0("gzwrite",                               MAY_BE_FALSE | MAY_BE_LONG),
1175 	F0("gzputs",                                MAY_BE_FALSE | MAY_BE_LONG),
1176 	F1("gzfile",                                MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1177 	F1("gzcompress",                            MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1178 	F1("gzuncompress",                          MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1179 	F1("gzdeflate",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1180 	F1("gzinflate",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1181 	F1("gzencode",                              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1182 	F1("gzdecode",                              MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1183 	F1("zlib_encode",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1184 	F1("zlib_decode",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1185 	F1("zlib_get_coding_type",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1186 	F1("ob_gzhandler",                          MAY_BE_FALSE | MAY_BE_STRING),
1187 
1188 	/* ext/hash */
1189 	F1("hash",                                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1190 	F1("hash_file",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1191 	F1("hash_hmac",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1192 	F1("hash_hmac_file",                        MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1193 	F1("hash_init",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
1194 	F0("hash_update",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1195 	F0("hash_update_stream",                    MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1196 	F0("hash_update_file",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_TRUE),
1197 	F1("hash_final",                            MAY_BE_NULL | MAY_BE_STRING),
1198 	F1("hash_copy",                             MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_OBJECT),
1199 	F1("hash_algos",                            MAY_BE_ARRAY | MAY_BE_ARRAY_KEY_LONG | MAY_BE_ARRAY_OF_STRING),
1200 	F1("hash_pbkdf2",                           MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1201 	F1("mhash_keygen_s2k",                      MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1202 	F0("mhash_get_block_size",                  MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_LONG),
1203 	F1("mhash_get_hash_name",                   MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1204 	F0("mhash_count",                           MAY_BE_NULL | MAY_BE_LONG),
1205 	F1("mhash",                                 MAY_BE_NULL | MAY_BE_FALSE | MAY_BE_STRING),
1206 };
1207 
1208 static HashTable func_info;
1209 int zend_func_info_rid = -1;
1210 
zend_get_func_info(const zend_call_info * call_info,const zend_ssa * ssa)1211 uint32_t zend_get_func_info(const zend_call_info *call_info, const zend_ssa *ssa)
1212 {
1213 	uint32_t ret = 0;
1214 
1215 	if (call_info->callee_func->type == ZEND_INTERNAL_FUNCTION) {
1216 		func_info_t *info;
1217 
1218 		if (!call_info->callee_func->common.scope && (info = zend_hash_find_ptr(&func_info, Z_STR_P(CRT_CONSTANT_EX(call_info->caller_op_array, call_info->caller_init_opline->op2, ssa->rt_constants)))) != NULL) {
1219 			if (UNEXPECTED(zend_optimizer_is_disabled_func(info->name, info->name_len))) {
1220 				ret = MAY_BE_NULL;
1221 			} else if (info->info_func) {
1222 				ret = info->info_func(call_info, ssa);
1223 			} else {
1224 				ret = info->info;
1225 			}
1226 #if 0
1227 		} else {
1228 			fprintf(stderr, "Unknown internal function '%s'\n", func->common.function_name);
1229 #endif
1230 		}
1231 	} else {
1232 		// FIXME: the order of functions matters!!!
1233 		zend_func_info *info = ZEND_FUNC_INFO((zend_op_array*)call_info->callee_func);
1234 		if (info) {
1235 			ret = info->return_info.type;
1236 		}
1237 	}
1238 	if (!ret) {
1239 		ret = MAY_BE_ANY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF;
1240 		if (call_info->callee_func->type == ZEND_INTERNAL_FUNCTION) {
1241 			ret |= FUNC_MAY_WARN;
1242 		}
1243 		if (call_info->callee_func->common.fn_flags & ZEND_ACC_GENERATOR) {
1244 			ret = MAY_BE_RC1 | MAY_BE_RCN | MAY_BE_OBJECT;
1245 		} else  if (call_info->callee_func->common.fn_flags & ZEND_ACC_RETURN_REFERENCE) {
1246 			ret |= MAY_BE_REF;
1247 		} else {
1248 			ret |= MAY_BE_RC1 | MAY_BE_RCN;
1249 		}
1250 	}
1251 	return ret;
1252 }
1253 
zend_func_info_startup(void)1254 int zend_func_info_startup(void)
1255 {
1256 	zend_extension dummy;
1257 	size_t i;
1258 
1259 	if (zend_func_info_rid == -1) {
1260 		zend_func_info_rid = zend_get_resource_handle(&dummy);
1261 		if (zend_func_info_rid < 0) {
1262 			return FAILURE;
1263 		}
1264 
1265 		zend_hash_init(&func_info, sizeof(func_infos)/sizeof(func_info_t), NULL, NULL, 1);
1266 		for (i = 0; i < sizeof(func_infos)/sizeof(func_info_t); i++) {
1267 			if (zend_hash_str_add_ptr(&func_info, func_infos[i].name, func_infos[i].name_len, (void**)&func_infos[i]) == NULL) {
1268 				fprintf(stderr, "ERROR: Duplicate function info for \"%s\"\n", func_infos[i].name);
1269 			}
1270 		}
1271 	}
1272 
1273 	return SUCCESS;
1274 }
1275 
zend_func_info_shutdown(void)1276 int zend_func_info_shutdown(void)
1277 {
1278 	if (zend_func_info_rid != -1) {
1279 		zend_hash_destroy(&func_info);
1280 		zend_func_info_rid = -1;
1281 	}
1282 	return SUCCESS;
1283 }
1284 
1285 /*
1286  * Local variables:
1287  * tab-width: 4
1288  * c-basic-offset: 4
1289  * indent-tabs-mode: t
1290  * End:
1291  */
1292