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