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