1--TEST-- 2Test array_diff() function : usage variations - unexpected values for 'arr2' argument 3--FILE-- 4<?php 5/* Prototype : array array_diff(array $arr1, array $arr2 [, array ...]) 6 * Description: Returns the entries of $arr1 that have values which are 7 * not present in any of the others arguments. 8 * Source code: ext/standard/array.c 9 */ 10 11/* 12 * Test array_diff by passing non array values in place of $arr2 13 */ 14 15echo "*** Testing array_diff() : usage variations ***\n"; 16 17$array = array(1, 2, 3); 18 19//get an unset variable 20$unset_var = 10; 21unset ($unset_var); 22 23// get a class 24class classA 25{ 26 public function __toString() { 27 return "Class A object"; 28 } 29} 30 31// heredoc string 32$heredoc = <<<EOT 33hello world 34EOT; 35 36// get a resource variable 37$fp = fopen(__FILE__, "r"); 38 39// unexpected values to be passed to $input argument 40$inputs = array( 41 42 // int data 43/*1*/ 0, 44 1, 45 12345, 46 -2345, 47 48 // float data 49/*5*/ 10.5, 50 -10.5, 51 12.3456789000e10, 52 12.3456789000E-10, 53 .5, 54 55 // null data 56/*10*/ NULL, 57 null, 58 59 // boolean data 60/*12*/ true, 61 false, 62 TRUE, 63 FALSE, 64 65 // empty data 66/*16*/ "", 67 '', 68 69 // string data 70/*18*/ "string", 71 'string', 72 $heredoc, 73 74 // binary data 75/*21*/ b"binary", 76 (binary)"binary", 77 78 // object data 79/*23*/ new classA(), 80 81 // undefined data 82/*24*/ @$undefined_var, 83 84 // unset data 85/*25*/ @$unset_var, 86 87 // resource variable 88/*26*/ $fp 89); 90 91// loop through each element of $inputs to check the behavior of array_diff 92$iterator = 1; 93foreach($inputs as $input) { 94 echo "\n-- Iteration $iterator --"; 95 var_dump( array_diff($array, $input)); 96 $iterator++; 97}; 98fclose($fp); 99echo "Done"; 100?> 101--EXPECTF-- 102*** Testing array_diff() : usage variations *** 103 104-- Iteration 1 -- 105Warning: array_diff(): Argument #2 is not an array in %s on line %d 106NULL 107 108-- Iteration 2 -- 109Warning: array_diff(): Argument #2 is not an array in %s on line %d 110NULL 111 112-- Iteration 3 -- 113Warning: array_diff(): Argument #2 is not an array in %s on line %d 114NULL 115 116-- Iteration 4 -- 117Warning: array_diff(): Argument #2 is not an array in %s on line %d 118NULL 119 120-- Iteration 5 -- 121Warning: array_diff(): Argument #2 is not an array in %s on line %d 122NULL 123 124-- Iteration 6 -- 125Warning: array_diff(): Argument #2 is not an array in %s on line %d 126NULL 127 128-- Iteration 7 -- 129Warning: array_diff(): Argument #2 is not an array in %s on line %d 130NULL 131 132-- Iteration 8 -- 133Warning: array_diff(): Argument #2 is not an array in %s on line %d 134NULL 135 136-- Iteration 9 -- 137Warning: array_diff(): Argument #2 is not an array in %s on line %d 138NULL 139 140-- Iteration 10 -- 141Warning: array_diff(): Argument #2 is not an array in %s on line %d 142NULL 143 144-- Iteration 11 -- 145Warning: array_diff(): Argument #2 is not an array in %s on line %d 146NULL 147 148-- Iteration 12 -- 149Warning: array_diff(): Argument #2 is not an array in %s on line %d 150NULL 151 152-- Iteration 13 -- 153Warning: array_diff(): Argument #2 is not an array in %s on line %d 154NULL 155 156-- Iteration 14 -- 157Warning: array_diff(): Argument #2 is not an array in %s on line %d 158NULL 159 160-- Iteration 15 -- 161Warning: array_diff(): Argument #2 is not an array in %s on line %d 162NULL 163 164-- Iteration 16 -- 165Warning: array_diff(): Argument #2 is not an array in %s on line %d 166NULL 167 168-- Iteration 17 -- 169Warning: array_diff(): Argument #2 is not an array in %s on line %d 170NULL 171 172-- Iteration 18 -- 173Warning: array_diff(): Argument #2 is not an array in %s on line %d 174NULL 175 176-- Iteration 19 -- 177Warning: array_diff(): Argument #2 is not an array in %s on line %d 178NULL 179 180-- Iteration 20 -- 181Warning: array_diff(): Argument #2 is not an array in %s on line %d 182NULL 183 184-- Iteration 21 -- 185Warning: array_diff(): Argument #2 is not an array in %s on line %d 186NULL 187 188-- Iteration 22 -- 189Warning: array_diff(): Argument #2 is not an array in %s on line %d 190NULL 191 192-- Iteration 23 -- 193Warning: array_diff(): Argument #2 is not an array in %s on line %d 194NULL 195 196-- Iteration 24 -- 197Warning: array_diff(): Argument #2 is not an array in %s on line %d 198NULL 199 200-- Iteration 25 -- 201Warning: array_diff(): Argument #2 is not an array in %s on line %d 202NULL 203 204-- Iteration 26 -- 205Warning: array_diff(): Argument #2 is not an array in %s on line %d 206NULL 207Done 208