Removed code2utf() and replaced with codepointToUtf8() to reduce code duplication...

diff --git a/includes/AjaxFunctions.php b/includes/AjaxFunctions.php
index 42e030e..d3173e4 100644 (file)
--- a/includes/AjaxFunctions.php
+++ b/includes/AjaxFunctions.php
@@ -36,7 +36,7 @@ function js_unescape( $source, $iconv_to = 'UTF-8' ) {
                                $pos++;
                                $unicodeHexVal = substr ( $source, $pos, 4 );
                                $unicode = hexdec ( $unicodeHexVal );
-                               $decodedStr .= code2utf( $unicode );
+                               $decodedStr .= codepointToUtf8( $unicode );
                                $pos += 4;
                        } else {
                                // we have an escaped ascii character
@@ -56,30 +56,3 @@ function js_unescape( $source, $iconv_to = 'UTF-8' ) {
 
        return $decodedStr;
 }
-
-/**
- * Function coverts number of utf char into that character.
- * Function taken from: http://www.php.net/manual/en/function.utf8-encode.php#49336
- *
- * @param $num Integer
- * @return utf8char
- */
-function code2utf( $num ) {
-       if ( $num < 128 ) {
-               return chr( $num );
-       }
-
-       if ( $num < 2048 ) {
-               return chr( ( $num >> 6 ) + 192 ) . chr( ( $num&63 ) + 128 );
-       }
-
-       if ( $num < 65536 ) {
-               return chr( ( $num >> 12 ) + 224 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
-       }
-
-       if ( $num < 2097152 ) {
-               return chr( ( $num >> 18 ) + 240 ) . chr( ( ( $num >> 12 )&63 ) + 128 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
-       }
-
-       return '';
-}