1--TEST-- 2Test array_diff_ukey() function : usage variation - Passing unexpected values to third optional argument 3--FILE-- 4<?php 5/* Prototype : array array_diff_ukey(array arr1, array arr2 [, array ...], callback key_comp_func) 6 * Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments. 7 * Source code: ext/standard/array.c 8 */ 9 10echo "*** Testing array_diff_ukey() : usage variation ***\n"; 11 12// Initialise function arguments not being substituted (if any) 13$array1 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); 14$array2 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); 15 16function key_compare_func($key1, $key2) 17{ 18 if ($key1 == $key2) { 19 return 0; 20 } 21 return ($key1 > $key2)? 1:-1; 22} 23 24//get an unset variable 25$unset_var = 10; 26unset ($unset_var); 27 28// resource variable 29$fp = fopen(__FILE__, "r"); 30 31// define some classes 32class classWithToString 33{ 34 public function __toString() { 35 return "Class A object"; 36 } 37} 38 39class classWithoutToString 40{ 41} 42 43// heredoc string 44$heredoc = <<<EOT 45hello world 46EOT; 47 48//array of values to iterate over 49$inputs = array( 50 51 // int data 52 'int 0' => 0, 53 'int 1' => 1, 54 'int 12345' => 12345, 55 'int -12345' => -2345, 56 57 // float data 58 'float 10.5' => 10.5, 59 'float -10.5' => -10.5, 60 'float 12.3456789000e10' => 12.3456789000e10, 61 'float -12.3456789000e10' => -12.3456789000e10, 62 'float .5' => .5, 63 64 // null data 65 'uppercase NULL' => NULL, 66 'lowercase null' => null, 67 68 // boolean data 69 'lowercase true' => true, 70 'lowercase false' =>false, 71 'uppercase TRUE' =>TRUE, 72 'uppercase FALSE' =>FALSE, 73 74 // empty data 75 'empty string DQ' => "", 76 'empty string SQ' => '', 77 78 // string data 79 'string DQ' => "string", 80 'string SQ' => 'string', 81 'mixed case string' => "sTrInG", 82 'heredoc' => $heredoc, 83 84 // object data 85 'instance of classWithToString' => new classWithToString(), 86 'instance of classWithoutToString' => new classWithoutToString(), 87 88 // undefined data 89 'undefined var' => @$undefined_var, 90 91 // unset data 92 'unset var' => @$unset_var, 93 94 // resource data 95 'resource' => $fp, 96); 97 98// loop through each element of the array for key_comp_func 99 100foreach($inputs as $key =>$value) { 101 echo "\n--$key--\n"; 102 var_dump( array_diff_ukey($array1, $array2, $value, 'key_compare_func') ); 103}; 104 105fclose($fp); 106?> 107===DONE=== 108--EXPECTF-- 109*** Testing array_diff_ukey() : usage variation *** 110 111--int 0-- 112 113Warning: array_diff_ukey(): Expected parameter 3 to be an array, int given in %s on line %d 114NULL 115 116--int 1-- 117 118Warning: array_diff_ukey(): Expected parameter 3 to be an array, int given in %s on line %d 119NULL 120 121--int 12345-- 122 123Warning: array_diff_ukey(): Expected parameter 3 to be an array, int given in %s on line %d 124NULL 125 126--int -12345-- 127 128Warning: array_diff_ukey(): Expected parameter 3 to be an array, int given in %s on line %d 129NULL 130 131--float 10.5-- 132 133Warning: array_diff_ukey(): Expected parameter 3 to be an array, float given in %s on line %d 134NULL 135 136--float -10.5-- 137 138Warning: array_diff_ukey(): Expected parameter 3 to be an array, float given in %s on line %d 139NULL 140 141--float 12.3456789000e10-- 142 143Warning: array_diff_ukey(): Expected parameter 3 to be an array, float given in %s on line %d 144NULL 145 146--float -12.3456789000e10-- 147 148Warning: array_diff_ukey(): Expected parameter 3 to be an array, float given in %s on line %d 149NULL 150 151--float .5-- 152 153Warning: array_diff_ukey(): Expected parameter 3 to be an array, float given in %s on line %d 154NULL 155 156--uppercase NULL-- 157 158Warning: array_diff_ukey(): Expected parameter 3 to be an array, null given in %s on line %d 159NULL 160 161--lowercase null-- 162 163Warning: array_diff_ukey(): Expected parameter 3 to be an array, null given in %s on line %d 164NULL 165 166--lowercase true-- 167 168Warning: array_diff_ukey(): Expected parameter 3 to be an array, bool given in %s on line %d 169NULL 170 171--lowercase false-- 172 173Warning: array_diff_ukey(): Expected parameter 3 to be an array, bool given in %s on line %d 174NULL 175 176--uppercase TRUE-- 177 178Warning: array_diff_ukey(): Expected parameter 3 to be an array, bool given in %s on line %d 179NULL 180 181--uppercase FALSE-- 182 183Warning: array_diff_ukey(): Expected parameter 3 to be an array, bool given in %s on line %d 184NULL 185 186--empty string DQ-- 187 188Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 189NULL 190 191--empty string SQ-- 192 193Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 194NULL 195 196--string DQ-- 197 198Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 199NULL 200 201--string SQ-- 202 203Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 204NULL 205 206--mixed case string-- 207 208Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 209NULL 210 211--heredoc-- 212 213Warning: array_diff_ukey(): Expected parameter 3 to be an array, string given in %s on line %d 214NULL 215 216--instance of classWithToString-- 217 218Warning: array_diff_ukey(): Expected parameter 3 to be an array, object given in %s on line %d 219NULL 220 221--instance of classWithoutToString-- 222 223Warning: array_diff_ukey(): Expected parameter 3 to be an array, object given in %s on line %d 224NULL 225 226--undefined var-- 227 228Warning: array_diff_ukey(): Expected parameter 3 to be an array, null given in %s on line %d 229NULL 230 231--unset var-- 232 233Warning: array_diff_ukey(): Expected parameter 3 to be an array, null given in %s on line %d 234NULL 235 236--resource-- 237 238Warning: array_diff_ukey(): Expected parameter 3 to be an array, resource given in %s on line %d 239NULL 240===DONE=== 241
