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1.1 misho 1: --TEST-- 2: Test krsort() function : usage variations - sort hexadecimal values 3: --FILE-- 4: <?php 5: /* Prototype : bool krsort ( array &$array [, int $sort_flags] ) 6: * Description: Sort an array by key in reverse order, maintaining key to data correlation. 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * testing krsort() by providing array of hexa-decimal values for $array argument 12: * with following flag values: 13: * 1.flag value as defualt 14: * 2.SORT_REGULAR - compare items normally 15: * 3.SORT_NUMERIC - compare items numerically 16: */ 17: 18: echo "*** Testing krsort() : usage variations ***\n"; 19: 20: // an array containing unsorted hexadecimal values with keys 21: $unsorted_hex_array = array ( 22: 0x1AB => 0x1AB, 0xFFF => 0xFFF, 0xF => 0xF, 0xFF => 0xFF, 0x2AA => 0x2AA, 0xBB => 0xBB, 23: 0x1ab => 0x1ab, 0xff => 0xff, -0xff => -0xFF, 0 => 0, -0x2aa => -0x2aa 24: ); 25: 26: echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is defualt --\n"; 27: $temp_array = $unsorted_hex_array; 28: var_dump(krsort( $temp_array) ); // expecting : bool(true) 29: var_dump($temp_array); 30: 31: echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR --\n"; 32: $temp_array = $unsorted_hex_array; 33: var_dump(krsort( $temp_array, SORT_REGULAR) ); // expecting : bool(true) 34: var_dump($temp_array); 35: 36: echo "\n-- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC --\n"; 37: $temp_array = $unsorted_hex_array; 38: var_dump(krsort( $temp_array, SORT_NUMERIC) ); // expecting : bool(true) 39: var_dump($temp_array); 40: 41: echo "Done\n"; 42: ?> 43: --EXPECTF-- 44: *** Testing krsort() : usage variations *** 45: 46: -- Testing krsort() by supplying hexadecimal value array, 'flag' value is defualt -- 47: bool(true) 48: array(9) { 49: [4095]=> 50: int(4095) 51: [682]=> 52: int(682) 53: [427]=> 54: int(427) 55: [255]=> 56: int(255) 57: [187]=> 58: int(187) 59: [15]=> 60: int(15) 61: [0]=> 62: int(0) 63: [-255]=> 64: int(-255) 65: [-682]=> 66: int(-682) 67: } 68: 69: -- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_REGULAR -- 70: bool(true) 71: array(9) { 72: [4095]=> 73: int(4095) 74: [682]=> 75: int(682) 76: [427]=> 77: int(427) 78: [255]=> 79: int(255) 80: [187]=> 81: int(187) 82: [15]=> 83: int(15) 84: [0]=> 85: int(0) 86: [-255]=> 87: int(-255) 88: [-682]=> 89: int(-682) 90: } 91: 92: -- Testing krsort() by supplying hexadecimal value array, 'flag' value is SORT_NUMERIC -- 93: bool(true) 94: array(9) { 95: [4095]=> 96: int(4095) 97: [682]=> 98: int(682) 99: [427]=> 100: int(427) 101: [255]=> 102: int(255) 103: [187]=> 104: int(187) 105: [15]=> 106: int(15) 107: [0]=> 108: int(0) 109: [-255]=> 110: int(-255) 111: [-682]=> 112: int(-682) 113: } 114: Done