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<?php
/*
* @package AJAX_Chat
* @author Sebastian Tschan
* @copyright (c) Sebastian Tschan
* @license Modified MIT License
* @link https://blueimp.net/ajax/
*/
// Class to provide multibyte enabled string methods
class AJAXChatString {
public static function subString($str, $start=0, $length=null, $encoding='UTF-8') {
if($length === null) {
$length = AJAXChatString::stringLength($str);
}
if(function_exists('mb_substr')) {
return mb_substr($str, $start, $length, $encoding);
} else if(function_exists('iconv_substr')) {
return iconv_substr($str, $start, $length, $encoding);
} else {
return substr($str, $start, $length);
}
}
public static function stringLength($str, $encoding='UTF-8') {
if(function_exists('mb_strlen')) {
return mb_strlen($str, $encoding);
} else if(function_exists('iconv_strlen')) {
return iconv_strlen($str, $encoding);
} else {
return strlen($str);
}
}
}
?>
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