1--TEST--
2Test strncmp() function : usage variations - different lengths(all types)
3--SKIPIF--
4<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64-bit only");
5--FILE--
6<?php
7/* Prototype  : int strncmp ( string $str1, string $str2, int $len );
8 * Description: Binary safe case-sensitive string comparison of the first n characters
9 * Source code: Zend/zend_builtin_functions.c
10*/
11
12/* Test strncmp() function with the length as all types, and giving the same strings for 'str1' and 'str2' */
13
14echo "*** Test strncmp() function: by supplying all types for 'len' ***\n";
15
16/* definition of required variables */
17$str1 = "Hello, World\n";
18$str2 = "Hello, World\n";
19
20/* get an unset variable */
21$unset_var = 'string_val';
22unset($unset_var);
23
24/* get resource handle */
25$file_handle = fopen(__FILE__, "r");
26
27/* declaring a class */
28class sample  {
29  public function __toString() {
30  return "object";
31  }
32}
33
34
35/* array with different values */
36$lengths =  array (
37  /* integer values */
38  0,
39  1,
40  12345,
41
42  /* float values */
43  10.5,
44  10.5e10,
45  10.6E-10,
46  .5,
47
48  /* hexadecimal values */
49  0x12,
50
51  /* octal values */
52  012,
53  01.2,
54
55  /* array values */
56  array(),
57  array(0),
58  array(1),
59  array(1, 2),
60  array('color' => 'red', 'item' => 'pen'),
61
62  /* boolean values */
63  true,
64  false,
65  TRUE,
66  FALSE,
67
68  /* nulls */
69  NULL,
70  null,
71
72  /* empty string */
73  "",
74  '',
75
76  /* undefined variable */
77  $undefined_var,
78
79  /* unset variable */
80  $unset_var,
81
82  /* resource */
83  $file_handle,
84
85  /* object */
86  new sample()
87);
88
89/* loop through each element of the array and check the working of strncmp() */
90$counter = 1;
91for($index = 0; $index < count($lengths); $index ++) {
92  $len = $lengths[$index];
93  echo "-- Iteration $counter --\n";
94  var_dump( strncmp($str1, $str2, $len) );
95  $counter ++;
96}
97fclose($file_handle);
98
99echo "*** Done ***\n";
100?>
101--EXPECTF--
102*** Test strncmp() function: by supplying all types for 'len' ***
103
104Notice: Undefined variable: undefined_var in %s on line %d
105
106Notice: Undefined variable: unset_var in %s on line %d
107-- Iteration 1 --
108int(0)
109-- Iteration 2 --
110int(0)
111-- Iteration 3 --
112int(0)
113-- Iteration 4 --
114int(0)
115-- Iteration 5 --
116int(0)
117-- Iteration 6 --
118int(0)
119-- Iteration 7 --
120int(0)
121-- Iteration 8 --
122int(0)
123-- Iteration 9 --
124int(0)
125-- Iteration 10 --
126int(0)
127-- Iteration 11 --
128
129Warning: strncmp() expects parameter 3 to be integer, array given in%s on line %d
130NULL
131-- Iteration 12 --
132
133Warning: strncmp() expects parameter 3 to be integer, array given in%s on line %d
134NULL
135-- Iteration 13 --
136
137Warning: strncmp() expects parameter 3 to be integer, array given in%s on line %d
138NULL
139-- Iteration 14 --
140
141Warning: strncmp() expects parameter 3 to be integer, array given in%s on line %d
142NULL
143-- Iteration 15 --
144
145Warning: strncmp() expects parameter 3 to be integer, array given in%s on line %d
146NULL
147-- Iteration 16 --
148int(0)
149-- Iteration 17 --
150int(0)
151-- Iteration 18 --
152int(0)
153-- Iteration 19 --
154int(0)
155-- Iteration 20 --
156int(0)
157-- Iteration 21 --
158int(0)
159-- Iteration 22 --
160
161Warning: strncmp() expects parameter 3 to be integer, string given in%s on line %d
162NULL
163-- Iteration 23 --
164
165Warning: strncmp() expects parameter 3 to be integer, string given in%s on line %d
166NULL
167-- Iteration 24 --
168int(0)
169-- Iteration 25 --
170int(0)
171-- Iteration 26 --
172
173Warning: strncmp() expects parameter 3 to be integer, resource given in%s on line %d
174NULL
175-- Iteration 27 --
176
177Warning: strncmp() expects parameter 3 to be integer, object given in%s on line %d
178NULL
179*** Done ***
180