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1.1 misho 1: --TEST-- 2: Test shuffle() function : basic functionality - array with default keys 3: --FILE-- 4: <?php 5: /* Prototype : bool shuffle(array $array_arg) 6: * Description: Randomly shuffle the contents of an array 7: * Source code: ext/standard/array.c 8: */ 9: 10: /* 11: * Test behaviour of shuffle when an array with default keys 12: * is passed to the 'array_arg' argument and check for the 13: * changes in the input array by printing the input array 14: * before and after shuffle() function is applied on it 15: */ 16: 17: echo "*** Testing shuffle() : with arrays having default keys ***\n"; 18: 19: // Initialise the array with integers 20: $array_arg_int = array(0, 10, 20, 30, 40, 50, 60, 70, 80); 21: 22: // Initialise the array with strings 23: $array_arg_strings = array("one", 'two', 'three', "four", "five", " ", 'six', ' ', "seven"); 24: 25: /* Testing shuffle() function with array of integers */ 26: 27: // printing the input array with integers before the shuffle operation 28: echo "\n-- input array of integers before shuffle() function is applied --\n"; 29: var_dump( $array_arg_int ); 30: 31: // applying shuffle() function on the input array of integers 32: echo "\n-- return value from shuffle() function --\n"; 33: var_dump( shuffle($array_arg_int) ); // prints the return value from shuffle() function 34: 35: echo "\n-- resultant array after shuffle() function is applied --\n"; 36: var_dump( $array_arg_int ); 37: 38: /* Testing shuffle() function with array of strings */ 39: 40: // printing the input array with strings before the shuffle operation 41: echo "\n-- input array of strings before shuffle() function is applied --\n"; 42: var_dump( $array_arg_strings ); 43: 44: // applying shuffle() function on the input array of strings 45: echo "\n-- return value from shuffle() function --\n"; 46: var_dump( shuffle($array_arg_strings) ); // prints the return value from shuffle() function 47: 48: echo "\n-- resultant array after shuffle() function is applied --\n"; 49: var_dump( $array_arg_strings ); 50: 51: echo "Done"; 52: ?> 53: --EXPECTF-- 54: *** Testing shuffle() : with arrays having default keys *** 55: 56: -- input array of integers before shuffle() function is applied -- 57: array(9) { 58: [0]=> 59: int(0) 60: [1]=> 61: int(10) 62: [2]=> 63: int(20) 64: [3]=> 65: int(30) 66: [4]=> 67: int(40) 68: [5]=> 69: int(50) 70: [6]=> 71: int(60) 72: [7]=> 73: int(70) 74: [8]=> 75: int(80) 76: } 77: 78: -- return value from shuffle() function -- 79: bool(true) 80: 81: -- resultant array after shuffle() function is applied -- 82: array(9) { 83: [0]=> 84: int(%d) 85: [1]=> 86: int(%d) 87: [2]=> 88: int(%d) 89: [3]=> 90: int(%d) 91: [4]=> 92: int(%d) 93: [5]=> 94: int(%d) 95: [6]=> 96: int(%d) 97: [7]=> 98: int(%d) 99: [8]=> 100: int(%d) 101: } 102: 103: -- input array of strings before shuffle() function is applied -- 104: array(9) { 105: [0]=> 106: string(3) "one" 107: [1]=> 108: string(3) "two" 109: [2]=> 110: string(5) "three" 111: [3]=> 112: string(4) "four" 113: [4]=> 114: string(4) "five" 115: [5]=> 116: string(1) " " 117: [6]=> 118: string(3) "six" 119: [7]=> 120: string(1) " " 121: [8]=> 122: string(5) "seven" 123: } 124: 125: -- return value from shuffle() function -- 126: bool(true) 127: 128: -- resultant array after shuffle() function is applied -- 129: array(9) { 130: [0]=> 131: string(%d) "%s" 132: [1]=> 133: string(%d) "%s" 134: [2]=> 135: string(%d) "%s" 136: [3]=> 137: string(%d) "%s" 138: [4]=> 139: string(%d) "%s" 140: [5]=> 141: string(%d) "%s" 142: [6]=> 143: string(%d) "%s" 144: [7]=> 145: string(%d) "%s" 146: [8]=> 147: string(%d) "%s" 148: } 149: Done 150: