1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Niklas Keller <kelunik@php.net> |
14 | Author: Anatol Belski <ab@php.net> |
15 +----------------------------------------------------------------------+
16 */
17
18 #include "php.h"
19 #include "zend_hrtime.h"
20
21 #ifdef ZEND_ENABLE_ZVAL_LONG64
22 #define PHP_RETURN_HRTIME(t) RETURN_LONG((zend_long)t)
23 #else
24 #ifdef _WIN32
25 # define HRTIME_U64A(i, s, len) _ui64toa_s(i, s, len, 10)
26 #else
27 # define HRTIME_U64A(i, s, len) \
28 do { \
29 int st = snprintf(s, len, "%llu", i); \
30 s[st] = '\0'; \
31 } while (0)
32 #endif
33 #define PHP_RETURN_HRTIME(t) do { \
34 char _a[ZEND_LTOA_BUF_LEN]; \
35 double _d; \
36 HRTIME_U64A(t, _a, ZEND_LTOA_BUF_LEN); \
37 _d = zend_strtod(_a, NULL); \
38 RETURN_DOUBLE(_d); \
39 } while (0)
40 #endif
41
42 /* {{{ Returns an array of integers in form [seconds, nanoseconds] counted
43 from an arbitrary point in time. If an optional boolean argument is
44 passed, returns an integer on 64-bit platforms or float on 32-bit
45 containing the current high-resolution time in nanoseconds. The
46 delivered timestamp is monotonic and cannot be adjusted. */
PHP_FUNCTION(hrtime)47 PHP_FUNCTION(hrtime)
48 {
49 #if ZEND_HRTIME_AVAILABLE
50 bool get_as_num = 0;
51 zend_hrtime_t t = zend_hrtime();
52
53 ZEND_PARSE_PARAMETERS_START(0, 1)
54 Z_PARAM_OPTIONAL
55 Z_PARAM_BOOL(get_as_num)
56 ZEND_PARSE_PARAMETERS_END();
57
58 if (UNEXPECTED(get_as_num)) {
59 PHP_RETURN_HRTIME(t);
60 } else {
61 array_init_size(return_value, 2);
62 zend_hash_real_init_packed(Z_ARRVAL_P(return_value));
63 add_next_index_long(return_value, (zend_long)(t / (zend_hrtime_t)ZEND_NANO_IN_SEC));
64 add_next_index_long(return_value, (zend_long)(t % (zend_hrtime_t)ZEND_NANO_IN_SEC));
65 }
66 #else
67 RETURN_FALSE;
68 #endif
69 }
70 /* }}} */
71
