1--TEST-- 2Test mb_strlen() function : usage variations - Pass different data types as $encoding arg 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_strlen') or die("skip mb_strlen() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : int mb_strlen(string $str [, string $encoding]) 11 * Description: Get character numbers of a string 12 * Source code: ext/mbstring/mbstring.c 13 */ 14 15/* 16 * Test mb_strlen() by passing different data types as $encoding argument. 17 * Where possible 'UTF-8' has been entered as a string value 18 */ 19 20echo "*** Testing mb_strlen() : usage variations ***\n"; 21 22// Initialise function arguments not being substituted 23$str = 'string value'; 24 25//get an unset variable 26$unset_var = 10; 27unset ($unset_var); 28 29// get a class 30class classA 31{ 32 public function __toString() { 33 return "UTF-8"; 34 } 35} 36 37// heredoc string 38$heredoc = <<<EOT 39UTF-8 40EOT; 41 42// get a resource variable 43$fp = fopen(__FILE__, "r"); 44 45// unexpected values to be passed to $input argument 46$inputs = array( 47 48 // int data 49/*1*/ 0, 50 1, 51 12345, 52 -2345, 53 54 // float data 55/*5*/ 10.5, 56 -10.5, 57 12.3456789000e10, 58 12.3456789000E-10, 59 .5, 60 61 // null data 62/*10*/ NULL, 63 null, 64 65 // boolean data 66/*12*/ true, 67 false, 68 TRUE, 69 FALSE, 70 71 // empty data 72/*16*/ "", 73 '', 74 75 // string data 76/*18*/ "UTF-8", 77 'UTF-8', 78 $heredoc, 79 80 // object data 81/*21*/ new classA(), 82 83 // undefined data 84/*22*/ @$undefined_var, 85 86 // unset data 87/*23*/ @$unset_var, 88 89 // resource variable 90/*24*/ $fp 91); 92 93// loop through each element of $inputs to check the behavior of mb_strlen() 94$iterator = 1; 95foreach($inputs as $input) { 96 echo "\n-- Iteration $iterator --\n"; 97 var_dump( mb_strlen($str, $input)); 98 $iterator++; 99}; 100 101fclose($fp); 102 103echo "Done"; 104?> 105--EXPECTF-- 106*** Testing mb_strlen() : usage variations *** 107 108-- Iteration 1 -- 109 110Warning: mb_strlen(): Unknown encoding "0" in %s on line %d 111bool(false) 112 113-- Iteration 2 -- 114 115Warning: mb_strlen(): Unknown encoding "1" in %s on line %d 116bool(false) 117 118-- Iteration 3 -- 119 120Warning: mb_strlen(): Unknown encoding "12345" in %s on line %d 121bool(false) 122 123-- Iteration 4 -- 124 125Warning: mb_strlen(): Unknown encoding "-2345" in %s on line %d 126bool(false) 127 128-- Iteration 5 -- 129 130Warning: mb_strlen(): Unknown encoding "10.5" in %s on line %d 131bool(false) 132 133-- Iteration 6 -- 134 135Warning: mb_strlen(): Unknown encoding "-10.5" in %s on line %d 136bool(false) 137 138-- Iteration 7 -- 139 140Warning: mb_strlen(): Unknown encoding "123456789000" in %s on line %d 141bool(false) 142 143-- Iteration 8 -- 144 145Warning: mb_strlen(): Unknown encoding "1.23456789E-9" in %s on line %d 146bool(false) 147 148-- Iteration 9 -- 149 150Warning: mb_strlen(): Unknown encoding "0.5" in %s on line %d 151bool(false) 152 153-- Iteration 10 -- 154 155Warning: mb_strlen(): Unknown encoding "" in %s on line %d 156bool(false) 157 158-- Iteration 11 -- 159 160Warning: mb_strlen(): Unknown encoding "" in %s on line %d 161bool(false) 162 163-- Iteration 12 -- 164 165Warning: mb_strlen(): Unknown encoding "1" in %s on line %d 166bool(false) 167 168-- Iteration 13 -- 169 170Warning: mb_strlen(): Unknown encoding "" in %s on line %d 171bool(false) 172 173-- Iteration 14 -- 174 175Warning: mb_strlen(): Unknown encoding "1" in %s on line %d 176bool(false) 177 178-- Iteration 15 -- 179 180Warning: mb_strlen(): Unknown encoding "" in %s on line %d 181bool(false) 182 183-- Iteration 16 -- 184 185Warning: mb_strlen(): Unknown encoding "" in %s on line %d 186bool(false) 187 188-- Iteration 17 -- 189 190Warning: mb_strlen(): Unknown encoding "" in %s on line %d 191bool(false) 192 193-- Iteration 18 -- 194int(12) 195 196-- Iteration 19 -- 197int(12) 198 199-- Iteration 20 -- 200int(12) 201 202-- Iteration 21 -- 203int(12) 204 205-- Iteration 22 -- 206 207Warning: mb_strlen(): Unknown encoding "" in %s on line %d 208bool(false) 209 210-- Iteration 23 -- 211 212Warning: mb_strlen(): Unknown encoding "" in %s on line %d 213bool(false) 214 215-- Iteration 24 -- 216 217Warning: mb_strlen() expects parameter 2 to be string, resource given in %s on line %d 218NULL 219Done 220