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