1--TEST-- 2Test reset() function : usage variations - Pass different data types as $array_arg arg. 3--FILE-- 4<?php 5/* Prototype : mixed reset(array $array_arg) 6 * Description: Set array argument's internal pointer to the first element and return it 7 * Source code: ext/standard/array.c 8 */ 9 10/* 11 * Pass different data types as $array_arg argument to reset() to test behaviour 12 */ 13 14echo "*** Testing reset() : usage variations ***\n"; 15 16//get an unset variable 17$unset_var = 10; 18unset ($unset_var); 19 20// get a class 21class classA 22{ 23 public function __toString() { 24 return "Class A object"; 25 } 26} 27 28// heredoc string 29$heredoc = <<<EOT 30hello world 31EOT; 32 33// get a resource variable 34$fp = fopen(__FILE__, "r"); 35 36// unexpected values to be passed to $array_arg argument 37$inputs = array( 38 39 // int data 40/*1*/ 0, 41 1, 42 12345, 43 -2345, 44 45 // float data 46/*5*/ 10.5, 47 -10.5, 48 12.3456789000e10, 49 12.3456789000E-10, 50 .5, 51 52 // null data 53/*10*/ NULL, 54 null, 55 56 // boolean data 57/*12*/ true, 58 false, 59 TRUE, 60 FALSE, 61 62 // empty data 63/*16*/ "", 64 '', 65 array(), 66 67 // string data 68/*19*/ "string", 69 'string', 70 $heredoc, 71 72 // object data 73/*22*/ new classA(), 74 75 // undefined data 76/*23*/ @$undefined_var, 77 78 // unset data 79/*24*/ @$unset_var, 80 81 // resource variable 82/*25*/ $fp 83); 84 85// loop through each element of $inputs to check the behavior of reset() 86$iterator = 1; 87foreach($inputs as $input) { 88 echo "\n-- Iteration $iterator --\n"; 89 var_dump( reset($input) ); 90 $iterator++; 91}; 92 93fclose($fp); 94?> 95===DONE=== 96--EXPECTF-- 97*** Testing reset() : usage variations *** 98 99-- Iteration 1 -- 100 101Warning: reset() expects parameter 1 to be array, integer given in %s on line %d 102NULL 103 104-- Iteration 2 -- 105 106Warning: reset() expects parameter 1 to be array, integer given in %s on line %d 107NULL 108 109-- Iteration 3 -- 110 111Warning: reset() expects parameter 1 to be array, integer given in %s on line %d 112NULL 113 114-- Iteration 4 -- 115 116Warning: reset() expects parameter 1 to be array, integer given in %s on line %d 117NULL 118 119-- Iteration 5 -- 120 121Warning: reset() expects parameter 1 to be array, float given in %s on line %d 122NULL 123 124-- Iteration 6 -- 125 126Warning: reset() expects parameter 1 to be array, float given in %s on line %d 127NULL 128 129-- Iteration 7 -- 130 131Warning: reset() expects parameter 1 to be array, float given in %s on line %d 132NULL 133 134-- Iteration 8 -- 135 136Warning: reset() expects parameter 1 to be array, float given in %s on line %d 137NULL 138 139-- Iteration 9 -- 140 141Warning: reset() expects parameter 1 to be array, float given in %s on line %d 142NULL 143 144-- Iteration 10 -- 145 146Warning: reset() expects parameter 1 to be array, null given in %s on line %d 147NULL 148 149-- Iteration 11 -- 150 151Warning: reset() expects parameter 1 to be array, null given in %s on line %d 152NULL 153 154-- Iteration 12 -- 155 156Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d 157NULL 158 159-- Iteration 13 -- 160 161Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d 162NULL 163 164-- Iteration 14 -- 165 166Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d 167NULL 168 169-- Iteration 15 -- 170 171Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d 172NULL 173 174-- Iteration 16 -- 175 176Warning: reset() expects parameter 1 to be array, string given in %s on line %d 177NULL 178 179-- Iteration 17 -- 180 181Warning: reset() expects parameter 1 to be array, string given in %s on line %d 182NULL 183 184-- Iteration 18 -- 185bool(false) 186 187-- Iteration 19 -- 188 189Warning: reset() expects parameter 1 to be array, string given in %s on line %d 190NULL 191 192-- Iteration 20 -- 193 194Warning: reset() expects parameter 1 to be array, string given in %s on line %d 195NULL 196 197-- Iteration 21 -- 198 199Warning: reset() expects parameter 1 to be array, string given in %s on line %d 200NULL 201 202-- Iteration 22 -- 203bool(false) 204 205-- Iteration 23 -- 206 207Warning: reset() expects parameter 1 to be array, null given in %s on line %d 208NULL 209 210-- Iteration 24 -- 211 212Warning: reset() expects parameter 1 to be array, null given in %s on line %d 213NULL 214 215-- Iteration 25 -- 216 217Warning: reset() expects parameter 1 to be array, resource given in %s on line %d 218NULL 219===DONE=== 220