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1.1 misho 1: --TEST-- 2: Test array_intersect_ukey() function : usage variation - Intersection of strings containing integer and float 3: --FILE-- 4: <?php 5: /* Prototype : array array_intersect_ukey(array arr1, array arr2 [, array ...], callback key_compare_func) 6: * Description: Computes the intersection of arrays using a callback function on the keys for comparison. 7: * Source code: ext/standard/array.c 8: */ 9: 10: echo "*** Testing array_intersect_ukey() : usage variation ***\n"; 11: 12: //Initialize variables 13: $arr1_string_int = array('0' => '1', '1' => '2'); 14: $arr2_string_int = array('0' => '1', '1' => '3'); 15: $arr1_string_float = array('0.00' => '1.00', '1.00' => '2.00'); 16: $arr2_string_float = array('0.00' => '1.00', '1.00' => '3.00'); 17: 18: //Call back function 19: function key_compare_func($key1, $key2) 20: { 21: if ($key1 == $key2) 22: return 0; 23: else 24: return ($key1 > $key2)? 1:-1; 25: } 26: 27: echo "\n-- Result of strings containing integers intersection --\n"; 28: var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_int, 'key_compare_func') ); 29: 30: echo "\n-- Result of strings containing floating points intersection --\n"; 31: var_dump( array_intersect_ukey($arr1_string_float, $arr2_string_float, 'key_compare_func') ); 32: 33: echo "\n-- Result of strings containing integers and strings containing floating points intersection --\n"; 34: var_dump( array_intersect_ukey($arr1_string_int, $arr2_string_float, 'key_compare_func') ); 35: ?> 36: ===DONE=== 37: --EXPECTF-- 38: *** Testing array_intersect_ukey() : usage variation *** 39: 40: -- Result of strings containing integers intersection -- 41: array(2) { 42: [0]=> 43: string(1) "1" 44: [1]=> 45: string(1) "2" 46: } 47: 48: -- Result of strings containing floating points intersection -- 49: array(2) { 50: ["0.00"]=> 51: string(4) "1.00" 52: ["1.00"]=> 53: string(4) "2.00" 54: } 55: 56: -- Result of strings containing integers and strings containing floating points intersection -- 57: array(2) { 58: [0]=> 59: string(1) "1" 60: [1]=> 61: string(1) "2" 62: } 63: ===DONE===