58 lines
1.3 KiB
PHP
58 lines
1.3 KiB
PHP
<?php
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/**
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* Handler functions for Ajax requests
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*
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* @file
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* @ingroup Ajax
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*/
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if ( !defined( 'MEDIAWIKI' ) ) {
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die( 1 );
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}
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/**
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* Function converts an Javascript escaped string back into a string with
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* specified charset (default is UTF-8).
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* Modified function from http://pure-essence.net/stuff/code/utf8RawUrlDecode.phps
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*
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* @param $source String escaped with Javascript's escape() function
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* @param $iconv_to String destination character set will be used as second parameter
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* in the iconv function. Default is UTF-8.
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* @return string
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*/
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function js_unescape( $source, $iconv_to = 'UTF-8' ) {
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$decodedStr = '';
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$pos = 0;
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$len = strlen ( $source );
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while ( $pos < $len ) {
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$charAt = substr ( $source, $pos, 1 );
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if ( $charAt == '%' ) {
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$pos++;
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$charAt = substr ( $source, $pos, 1 );
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if ( $charAt == 'u' ) {
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// we got a unicode character
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$pos++;
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$unicodeHexVal = substr ( $source, $pos, 4 );
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$unicode = hexdec ( $unicodeHexVal );
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$decodedStr .= codepointToUtf8( $unicode );
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$pos += 4;
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} else {
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// we have an escaped ascii character
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$hexVal = substr ( $source, $pos, 2 );
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$decodedStr .= chr ( hexdec ( $hexVal ) );
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$pos += 2;
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}
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} else {
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$decodedStr .= $charAt;
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$pos++;
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}
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}
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if ( $iconv_to != "UTF-8" ) {
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$decodedStr = iconv( "utf-8", $iconv_to, $decodedStr );
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}
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return $decodedStr;
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}
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