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1.1 misho 1: --TEST-- 2: Test rsort() function : usage variations - multi-dimensional arrays 3: --FILE-- 4: <?php 5: /* Prototype : bool rsort(array &$array_arg [, int $sort_flags]) 6: * Description: Sort an array in reverse order 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * Pass rsort() multi-dimensional arrays to test behaviour 12: */ 13: 14: echo "*** Testing rsort() : variation ***\n"; 15: 16: // array of arrays 17: $various_arrays = array ( 18: // null array 19: array(), 20: 21: // array contains null sub array 22: array( array() ), 23: 24: // array of arrays along with some values 25: array(44, 11, array(64, 61) ), 26: 27: // array containing sub arrays 28: array(array(33, -5, 6), array(11), array(22, -55), array() ) 29: ); 30: 31: 32: $count = 1; 33: 34: // loop through to test rsort() with different arrays 35: foreach ($various_arrays as $array) { 36: 37: echo "\n-- Iteration $count --\n"; 38: 39: echo "\n-- 'flag' value is default --\n"; 40: $temp_array = $array; 41: var_dump(rsort($temp_array) ); 42: var_dump($temp_array); 43: 44: echo "\n-- 'flag' value is SORT_REGULAR --\n"; 45: $temp_array = $array; 46: var_dump(rsort($temp_array, SORT_REGULAR) ); 47: var_dump($temp_array); 48: $count++; 49: } 50: 51: echo "Done"; 52: ?> 53: 54: --EXPECTF-- 55: *** Testing rsort() : variation *** 56: 57: -- Iteration 1 -- 58: 59: -- 'flag' value is default -- 60: bool(true) 61: array(0) { 62: } 63: 64: -- 'flag' value is SORT_REGULAR -- 65: bool(true) 66: array(0) { 67: } 68: 69: -- Iteration 2 -- 70: 71: -- 'flag' value is default -- 72: bool(true) 73: array(1) { 74: [0]=> 75: array(0) { 76: } 77: } 78: 79: -- 'flag' value is SORT_REGULAR -- 80: bool(true) 81: array(1) { 82: [0]=> 83: array(0) { 84: } 85: } 86: 87: -- Iteration 3 -- 88: 89: -- 'flag' value is default -- 90: bool(true) 91: array(3) { 92: [0]=> 93: array(2) { 94: [0]=> 95: int(64) 96: [1]=> 97: int(61) 98: } 99: [1]=> 100: int(44) 101: [2]=> 102: int(11) 103: } 104: 105: -- 'flag' value is SORT_REGULAR -- 106: bool(true) 107: array(3) { 108: [0]=> 109: array(2) { 110: [0]=> 111: int(64) 112: [1]=> 113: int(61) 114: } 115: [1]=> 116: int(44) 117: [2]=> 118: int(11) 119: } 120: 121: -- Iteration 4 -- 122: 123: -- 'flag' value is default -- 124: bool(true) 125: array(4) { 126: [0]=> 127: array(3) { 128: [0]=> 129: int(33) 130: [1]=> 131: int(-5) 132: [2]=> 133: int(6) 134: } 135: [1]=> 136: array(2) { 137: [0]=> 138: int(22) 139: [1]=> 140: int(-55) 141: } 142: [2]=> 143: array(1) { 144: [0]=> 145: int(11) 146: } 147: [3]=> 148: array(0) { 149: } 150: } 151: 152: -- 'flag' value is SORT_REGULAR -- 153: bool(true) 154: array(4) { 155: [0]=> 156: array(3) { 157: [0]=> 158: int(33) 159: [1]=> 160: int(-5) 161: [2]=> 162: int(6) 163: } 164: [1]=> 165: array(2) { 166: [0]=> 167: int(22) 168: [1]=> 169: int(-55) 170: } 171: [2]=> 172: array(1) { 173: [0]=> 174: int(11) 175: } 176: [3]=> 177: array(0) { 178: } 179: } 180: Done