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--TEST--
Test mb_substr() function : basic functionality
--SKIPIF--
<?php
extension_loaded('mbstring') or die('skip');
function_exists('mb_substr') or die("skip mb_substr() is not available in this build");
?>
--INI--
mbstring.internal_encoding=ISO-8859-1
--FILE--
<?php
/* Prototype : string mb_substr(string $str, int $start [, int $length [, string $encoding]])
* Description: Returns part of a string
* Source code: ext/mbstring/mbstring.c
*/
/*
* Test Basic Functionality of mb_substr with ASCII characters and multibyte strings.
*/
echo "*** Testing mb_substr() : basic functionality ***\n";
$string_ascii = 'ABCDEF';
//Japanese string in UTF-8
$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=');
echo "\n-- ASCII string 1 --\n";
var_dump(mb_substr($string_ascii, 3));
echo "\n-- ASCII string 2 --\n";
var_dump(mb_substr($string_ascii, 3, 5, 'ISO-8859-1'));
echo "\n-- Multibyte string 1 --\n";
$result_1 = mb_substr($string_mb, 2, 7);
var_dump(base64_encode($result_1));
echo "\n-- Multibyte string 2 --\n";
$result_2 = mb_substr($string_mb, 2, 7, 'utf-8');
var_dump(base64_encode($result_2));
echo "Done";
?>
--EXPECTF--
*** Testing mb_substr() : basic functionality ***
-- ASCII string 1 --
string(3) "DEF"
-- ASCII string 2 --
string(3) "DEF"
-- Multibyte string 1 --
string(12) "peacrOiqng=="
-- Multibyte string 2 --
string(28) "6Kqe44OG44Kt44K544OI44Gn44GZ"
Done