1--TEST--
2Test strrchr() function : usage variations - unexpected inputs for haystack and needle
3--FILE--
4<?php
5/* Prototype  : string strrchr(string $haystack, string $needle);
6 * Description: Finds the last occurrence of a character in a string.
7 * Source code: ext/standard/string.c
8*/
9
10/* Test strrchr() function with unexpected inputs for haystack and needle */
11
12echo "*** Testing strrchr() function: with unexpected inputs for haystack and needle ***\n";
13
14// get an unset variable
15$unset_var = 'string_val';
16unset($unset_var);
17
18// declaring a class
19class sample  {
20  public function __toString() {
21    return "object";
22  }
23}
24
25//getting the resource
26$file_handle = fopen(__FILE__, "r");
27
28// array with different values
29$values =  array (
30
31  // integer values
32  0,
33  1,
34  12345,
35  -2345,
36
37  // float values
38  10.5,
39  -10.5,
40  10.1234567e10,
41  10.7654321E-10,
42  .5,
43
44  // array values
45  array(),
46  array(0),
47  array(1),
48  array(1, 2),
49  array('color' => 'red', 'item' => 'pen'),
50
51  // boolean values
52  true,
53  false,
54  TRUE,
55  FALSE,
56
57  // objects
58  new sample(),
59
60  // empty string
61  "",
62  '',
63
64  // null vlaues
65  NULL,
66  null,
67
68  // resource
69  $file_handle,
70
71  // undefined variable
72  @$undefined_var,
73
74  // unset variable
75  @$unset_var
76);
77
78
79// loop through each element of the array and check the working of strrchr()
80$counter = 1;
81for($index = 0; $index < count($values); $index ++) {
82  echo "-- Iteration $counter --\n";
83  var_dump( strrchr($values[$index], $values[$index]) );
84  $counter ++;
85}
86
87fclose($file_handle);  //closing the file handle
88
89echo "*** Done ***";
90?>
91--EXPECTF--
92*** Testing strrchr() function: with unexpected inputs for haystack and needle ***
93-- Iteration 1 --
94bool(false)
95-- Iteration 2 --
96bool(false)
97-- Iteration 3 --
98bool(false)
99-- Iteration 4 --
100bool(false)
101-- Iteration 5 --
102bool(false)
103-- Iteration 6 --
104bool(false)
105-- Iteration 7 --
106bool(false)
107-- Iteration 8 --
108bool(false)
109-- Iteration 9 --
110bool(false)
111-- Iteration 10 --
112
113Warning: strrchr() expects parameter 1 to be string, array given in %s on line %d
114NULL
115-- Iteration 11 --
116
117Warning: strrchr() expects parameter 1 to be string, array given in %s on line %d
118NULL
119-- Iteration 12 --
120
121Warning: strrchr() expects parameter 1 to be string, array given in %s on line %d
122NULL
123-- Iteration 13 --
124
125Warning: strrchr() expects parameter 1 to be string, array given in %s on line %d
126NULL
127-- Iteration 14 --
128
129Warning: strrchr() expects parameter 1 to be string, array given in %s on line %d
130NULL
131-- Iteration 15 --
132bool(false)
133-- Iteration 16 --
134bool(false)
135-- Iteration 17 --
136bool(false)
137-- Iteration 18 --
138bool(false)
139-- Iteration 19 --
140
141Notice: Object of class sample could not be converted to int in %s on line %d
142bool(false)
143-- Iteration 20 --
144bool(false)
145-- Iteration 21 --
146bool(false)
147-- Iteration 22 --
148bool(false)
149-- Iteration 23 --
150bool(false)
151-- Iteration 24 --
152
153Warning: strrchr() expects parameter 1 to be string, resource given in %s on line %d
154NULL
155-- Iteration 25 --
156bool(false)
157-- Iteration 26 --
158bool(false)
159*** Done ***
160