1--TEST-- 2Test fseek() function : usage variations - different types for offset 3--CREDITS-- 4Dave Kelsey <d_kelsey@uk.ibm.com> 5--FILE-- 6<?php 7/* Prototype : proto int fseek(resource fp, int offset [, int whence]) 8 * Description: Seek on a file pointer 9 * Source code: ext/standard/file.c 10 * Alias to functions: gzseek 11 */ 12 13echo "*** Testing fseek() : usage variations ***\n"; 14error_reporting(E_ALL & ~E_NOTICE); 15 16// Initialise function arguments not being substituted (if any) 17 18$fp = fopen(__FILE__, 'r'); 19$whence = SEEK_SET; 20 21//get an unset variable 22$unset_var = 10; 23unset ($unset_var); 24 25class testClass { 26 public function __toString() { 27 return "testClass"; 28 } 29} 30 31 32//array of values to iterate over 33$values = array( 34 35 // float data 36 10.5, 37 -10.5, 38 10.7654321E-10, 39 .5, 40 41 // array data 42 array(), 43 array(0), 44 array(1), 45 array(1, 2), 46 array('color' => 'red', 'item' => 'pen'), 47 48 // null data 49 NULL, 50 null, 51 52 // boolean data 53 true, 54 false, 55 TRUE, 56 FALSE, 57 58 // empty data 59 "", 60 '', 61 62 // string data 63 "string", 64 'string', 65 66 // object data 67 new testClass(), 68 69 // undefined data 70 $undefined_var, 71 72 // unset data 73 $unset_var, 74); 75 76// loop through each element of the array for offset 77 78foreach($values as $value) { 79 echo @"\nArg value $value \n"; 80 var_dump( fseek($fp, $value, $whence) ); 81 var_dump( ftell($fp)); 82}; 83fclose($fp); 84 85echo "Done"; 86?> 87--EXPECTF-- 88*** Testing fseek() : usage variations *** 89 90Arg value 10.5 91int(0) 92int(10) 93 94Arg value -10.5 95int(-1) 96int(10) 97 98Arg value 1.07654321E-9 99int(0) 100int(0) 101 102Arg value 0.5 103int(0) 104int(0) 105 106Arg value Array 107 108Warning: fseek() expects parameter 2 to be long, array given in %s on line %d 109bool(false) 110int(0) 111 112Arg value Array 113 114Warning: fseek() expects parameter 2 to be long, array given in %s on line %d 115bool(false) 116int(0) 117 118Arg value Array 119 120Warning: fseek() expects parameter 2 to be long, array given in %s on line %d 121bool(false) 122int(0) 123 124Arg value Array 125 126Warning: fseek() expects parameter 2 to be long, array given in %s on line %d 127bool(false) 128int(0) 129 130Arg value Array 131 132Warning: fseek() expects parameter 2 to be long, array given in %s on line %d 133bool(false) 134int(0) 135 136Arg value 137int(0) 138int(0) 139 140Arg value 141int(0) 142int(0) 143 144Arg value 1 145int(0) 146int(1) 147 148Arg value 149int(0) 150int(0) 151 152Arg value 1 153int(0) 154int(1) 155 156Arg value 157int(0) 158int(0) 159 160Arg value 161 162Warning: fseek() expects parameter 2 to be long, string given in %s on line %d 163bool(false) 164int(0) 165 166Arg value 167 168Warning: fseek() expects parameter 2 to be long, string given in %s on line %d 169bool(false) 170int(0) 171 172Arg value string 173 174Warning: fseek() expects parameter 2 to be long, string given in %s on line %d 175bool(false) 176int(0) 177 178Arg value string 179 180Warning: fseek() expects parameter 2 to be long, string given in %s on line %d 181bool(false) 182int(0) 183 184Arg value testClass 185 186Warning: fseek() expects parameter 2 to be long, object given in %s on line %d 187bool(false) 188int(0) 189 190Arg value 191int(0) 192int(0) 193 194Arg value 195int(0) 196int(0) 197Done 198 199