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1.1 misho 1: --TEST-- 2: Test array_diff_key() function : usage variation - Passing integer indexed array 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: $input_array = array(-07 => '-07', 0xA => '0xA'); 14: 15: $input_arrays = array( 16: 'decimal indexed' => array(10 => '10', '-17' => '-17'), 17: 'octal indexed' => array(-011 => '-011', 012 => '012'), 18: 'hexa indexed' => array(0x12 => '0x12', -0x7 => '-0x7', ), 19: ); 20: 21: // loop through each element of the array for arr1 22: foreach($input_arrays as $key =>$value) { 23: echo "\n--$key--\n"; 24: var_dump( array_diff_key($input_array, $value) ); 25: var_dump( array_diff_key($value, $input_array) ); 26: } 27: ?> 28: ===DONE=== 29: --EXPECTF-- 30: *** Testing array_diff_key() : usage variation *** 31: 32: --decimal indexed-- 33: array(1) { 34: [-7]=> 35: string(3) "-07" 36: } 37: array(1) { 38: [-17]=> 39: string(3) "-17" 40: } 41: 42: --octal indexed-- 43: array(1) { 44: [-7]=> 45: string(3) "-07" 46: } 47: array(1) { 48: [-9]=> 49: string(4) "-011" 50: } 51: 52: --hexa indexed-- 53: array(1) { 54: [10]=> 55: string(3) "0xA" 56: } 57: array(1) { 58: [18]=> 59: string(4) "0x12" 60: } 61: ===DONE===