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1.1 misho 1: --TEST-- 2: Test str_split() function : usage variations - different double quoted strings for 'str' argument 3: --FILE-- 4: <?php 5: /* Prototype : array str_split(string $str [, int $split_length]) 6: * Description: Convert a string to an array. If split_length is 7: specified, break the string down into chunks each 8: split_length characters long. 9: * Source code: ext/standard/string.c 10: * Alias to functions: none 11: */ 12: 13: /* 14: * passing different double quoted strings as 'str' argument to str_split() 15: * split_length is set to 7 16: */ 17: 18: echo "*** Testing str_split() : double quoted strings for 'str' ***\n"; 19: 20: //Initialize variables 21: $split_length = 7; 22: 23: // different values for 'str' 24: $values = array( 25: "", //empty 26: " ", //space 27: "1234", //with only numbers 28: "simple string", //regular string 29: "It's string with quote", //string containing single quote 30: "string\tcontains\rwhite space\nchars", 31: "containing @ # $ % ^ & chars", 32: "with 1234 numbers", 33: "with \0 and ".chr(0)."null chars", //for binary safe 34: "with multiple space char", 35: "Testing invalid \k and \m escape char", 36: "to check with \\n and \\t" //ignoring \n and \t results 37: 38: ); 39: 40: //loop through each element of $values for 'str' argument 41: for($count = 0; $count < count($values); $count++) { 42: echo "-- Iteration ".($count+1)." --\n"; 43: var_dump( str_split($values[$count], $split_length) ); 44: } 45: echo "Done" 46: ?> 47: --EXPECTF-- 48: *** Testing str_split() : double quoted strings for 'str' *** 49: -- Iteration 1 -- 50: array(1) { 51: [0]=> 52: string(0) "" 53: } 54: -- Iteration 2 -- 55: array(1) { 56: [0]=> 57: string(1) " " 58: } 59: -- Iteration 3 -- 60: array(1) { 61: [0]=> 62: string(4) "1234" 63: } 64: -- Iteration 4 -- 65: array(2) { 66: [0]=> 67: string(7) "simple " 68: [1]=> 69: string(6) "string" 70: } 71: -- Iteration 5 -- 72: array(4) { 73: [0]=> 74: string(7) "It's st" 75: [1]=> 76: string(7) "ring wi" 77: [2]=> 78: string(7) "th quot" 79: [3]=> 80: string(1) "e" 81: } 82: -- Iteration 6 -- 83: array(5) { 84: [0]=> 85: string(7) "string " 86: [1]=> 87: string(7) "contain" 88: [2]=> 89: string(7) "s white" 90: [3]=> 91: string(7) " space 92: " 93: [4]=> 94: string(5) "chars" 95: } 96: -- Iteration 7 -- 97: array(4) { 98: [0]=> 99: string(7) "contain" 100: [1]=> 101: string(7) "ing @ #" 102: [2]=> 103: string(7) " $ % ^ " 104: [3]=> 105: string(7) "& chars" 106: } 107: -- Iteration 8 -- 108: array(3) { 109: [0]=> 110: string(7) "with 12" 111: [1]=> 112: string(7) "34 numb" 113: [2]=> 114: string(3) "ers" 115: } 116: -- Iteration 9 -- 117: array(4) { 118: [0]=> 119: string(7) "with " 120: [1]=> 121: string(7) "and nu" 122: [2]=> 123: string(7) "ll char" 124: [3]=> 125: string(1) "s" 126: } 127: -- Iteration 10 -- 128: array(5) { 129: [0]=> 130: string(7) "with " 131: [1]=> 132: string(7) " multip" 133: [2]=> 134: string(7) "le " 135: [3]=> 136: string(7) "space c" 137: [4]=> 138: string(3) "har" 139: } 140: -- Iteration 11 -- 141: array(6) { 142: [0]=> 143: string(7) "Testing" 144: [1]=> 145: string(7) " invali" 146: [2]=> 147: string(7) "d \k an" 148: [3]=> 149: string(7) "d \m es" 150: [4]=> 151: string(7) "cape ch" 152: [5]=> 153: string(2) "ar" 154: } 155: -- Iteration 12 -- 156: array(4) { 157: [0]=> 158: string(7) "to chec" 159: [1]=> 160: string(7) "k with " 161: [2]=> 162: string(7) "\n and " 163: [3]=> 164: string(2) "\t" 165: } 166: Done