1--TEST-- 2Test mb_strrpos() function : usage variations - Pass different data types to $needle arg 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strrpos') or die("skip mb_strrpos() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : int mb_strrpos(string $haystack, string $needle [, int $offset [, string $encoding]]) 11 * Description: Find position of last occurrence of a string within another 12 * Source code: ext/mbstring/mbstring.c 13 */ 14 15/* 16 * Pass mb_strrpos() different data types as $needle argument to test behaviour 17 */ 18 19echo "*** Testing mb_strrpos() : usage variations ***\n"; 20 21// Initialise function arguments not being substituted 22$haystack = 'hello, world'; 23$offset = 0; 24$encoding = 'utf-8'; 25 26//get an unset variable 27$unset_var = 10; 28unset ($unset_var); 29 30// get a class 31class classA 32{ 33 public function __toString() { 34 return "world"; 35 } 36} 37 38// heredoc string 39$heredoc = <<<EOT 40world 41EOT; 42 43// get a resource variable 44$fp = fopen(__FILE__, "r"); 45 46// unexpected values to be passed to $needle argument 47$inputs = array( 48 49 // int data 50/*1*/ 0, 51 1, 52 12345, 53 -2345, 54 55 // float data 56/*5*/ 10.5, 57 -10.5, 58 12.3456789000e10, 59 12.3456789000E-10, 60 .5, 61 62 // null data 63/*10*/ NULL, 64 null, 65 66 // boolean data 67/*12*/ true, 68 false, 69 TRUE, 70 FALSE, 71 72 // empty data 73/*16*/ "", 74 '', 75 76 // string data 77/*18*/ "world", 78 'world', 79 $heredoc, 80 81 // object data 82/*21*/ new classA(), 83 84 // undefined data 85/*22*/ @$undefined_var, 86 87 // unset data 88/*23*/ @$unset_var, 89 90 // resource variable 91/*24*/ $fp 92); 93 94// loop through each element of $inputs to check the behavior of mb_strrpos() 95$iterator = 1; 96foreach($inputs as $input) { 97 echo "\n-- Iteration $iterator --\n"; 98 var_dump( mb_strrpos($haystack, $input, $offset, $encoding)); 99 $iterator++; 100}; 101 102fclose($fp); 103 104echo "Done"; 105?> 106--EXPECTF-- 107*** Testing mb_strrpos() : usage variations *** 108 109-- Iteration 1 -- 110bool(false) 111 112-- Iteration 2 -- 113bool(false) 114 115-- Iteration 3 -- 116bool(false) 117 118-- Iteration 4 -- 119bool(false) 120 121-- Iteration 5 -- 122bool(false) 123 124-- Iteration 6 -- 125bool(false) 126 127-- Iteration 7 -- 128bool(false) 129 130-- Iteration 8 -- 131bool(false) 132 133-- Iteration 9 -- 134bool(false) 135 136-- Iteration 10 -- 137bool(false) 138 139-- Iteration 11 -- 140bool(false) 141 142-- Iteration 12 -- 143bool(false) 144 145-- Iteration 13 -- 146bool(false) 147 148-- Iteration 14 -- 149bool(false) 150 151-- Iteration 15 -- 152bool(false) 153 154-- Iteration 16 -- 155bool(false) 156 157-- Iteration 17 -- 158bool(false) 159 160-- Iteration 18 -- 161int(7) 162 163-- Iteration 19 -- 164int(7) 165 166-- Iteration 20 -- 167int(7) 168 169-- Iteration 21 -- 170int(7) 171 172-- Iteration 22 -- 173bool(false) 174 175-- Iteration 23 -- 176bool(false) 177 178-- Iteration 24 -- 179 180Warning: mb_strrpos() expects parameter 2 to be string, resource given in %s on line %d 181NULL 182Done 183