1--TEST-- 2Test array_diff_ukey() function : usage variation - Passing unexpected values to second 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// Initialize function arguments not being substituted (if any) 13$array1 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); 14$array3 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); 15 16 17//Initialize key_comp_func of type callback 18function key_compare_func($key1, $key2) 19{ 20 if ($key1 == $key2) { 21 return 0; 22 } 23 return ($key1 > $key2)? 1:-1; 24} 25 26//get an unset variable 27$unset_var = 10; 28unset ($unset_var); 29 30//resource variable 31$fp = fopen(__FILE__, "r"); 32 33// define some classes 34class classWithToString 35{ 36 public function __toString() { 37 return "Class A object"; 38 } 39} 40 41class classWithoutToString 42{ 43} 44 45// heredoc string 46$heredoc = <<<EOT 47hello world 48EOT; 49 50//array of values to iterate over 51$inputs = array( 52 53 // int data 54 'int 0' => 0, 55 'int 1' => 1, 56 'int 12345' => 12345, 57 'int -12345' => -2345, 58 59 // float data 60 'float 10.5' => 10.5, 61 'float -10.5' => -10.5, 62 'float 12.3456789000e10' => 12.3456789000e10, 63 'float -12.3456789000e10' => -12.3456789000e10, 64 'float .5' => .5, 65 66 // null data 67 'uppercase NULL' => NULL, 68 'lowercase null' => null, 69 70 // boolean data 71 'lowercase true' => true, 72 'lowercase false' =>false, 73 'uppercase TRUE' =>TRUE, 74 'uppercase FALSE' =>FALSE, 75 76 // empty data 77 'empty string DQ' => "", 78 'empty string SQ' => '', 79 80 // string data 81 'string DQ' => "string", 82 'string SQ' => 'string', 83 'mixed case string' => "sTrInG", 84 'heredoc' => $heredoc, 85 86 // object data 87 'instance of classWithToString' => new classWithToString(), 88 'instance of classWithoutToString' => new classWithoutToString(), 89 90 // undefined data 91 'undefined var' => @$undefined_var, 92 93 // unset data 94 'unset var' => @$unset_var, 95 96 // resource data 97 'resource' => $fp, 98 99); 100 101// loop through each element of the array for arr2 102 103foreach($inputs as $key =>$value) { 104 echo "\n--$key--\n"; 105 var_dump( array_diff_ukey($array1, $value, 'key_compare_func') ); 106 var_dump( array_diff_ukey($array1, $value, $array3, 'key_compare_func') ); 107}; 108 109fclose($fp); 110?> 111===DONE=== 112--EXPECTF-- 113*** Testing array_diff_ukey() : usage variation *** 114 115--int 0-- 116 117Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 118NULL 119 120Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 121NULL 122 123--int 1-- 124 125Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 126NULL 127 128Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 129NULL 130 131--int 12345-- 132 133Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 134NULL 135 136Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 137NULL 138 139--int -12345-- 140 141Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 142NULL 143 144Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 145NULL 146 147--float 10.5-- 148 149Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 150NULL 151 152Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 153NULL 154 155--float -10.5-- 156 157Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 158NULL 159 160Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 161NULL 162 163--float 12.3456789000e10-- 164 165Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 166NULL 167 168Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 169NULL 170 171--float -12.3456789000e10-- 172 173Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 174NULL 175 176Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 177NULL 178 179--float .5-- 180 181Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 182NULL 183 184Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 185NULL 186 187--uppercase NULL-- 188 189Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 190NULL 191 192Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 193NULL 194 195--lowercase null-- 196 197Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 198NULL 199 200Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 201NULL 202 203--lowercase true-- 204 205Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 206NULL 207 208Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 209NULL 210 211--lowercase false-- 212 213Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 214NULL 215 216Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 217NULL 218 219--uppercase TRUE-- 220 221Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 222NULL 223 224Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 225NULL 226 227--uppercase FALSE-- 228 229Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 230NULL 231 232Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 233NULL 234 235--empty string DQ-- 236 237Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 238NULL 239 240Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 241NULL 242 243--empty string SQ-- 244 245Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 246NULL 247 248Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 249NULL 250 251--string DQ-- 252 253Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 254NULL 255 256Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 257NULL 258 259--string SQ-- 260 261Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 262NULL 263 264Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 265NULL 266 267--mixed case string-- 268 269Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 270NULL 271 272Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 273NULL 274 275--heredoc-- 276 277Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 278NULL 279 280Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 281NULL 282 283--instance of classWithToString-- 284 285Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 286NULL 287 288Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 289NULL 290 291--instance of classWithoutToString-- 292 293Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 294NULL 295 296Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 297NULL 298 299--undefined var-- 300 301Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 302NULL 303 304Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 305NULL 306 307--unset var-- 308 309Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 310NULL 311 312Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 313NULL 314 315--resource-- 316 317Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 318NULL 319 320Warning: array_diff_ukey(): Argument #2 is not an array in %s on line %d 321NULL 322===DONE=== 323