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[squirrelmail.git] / functions / encode / iso_8859_7.php

diff --git a/functions/encode/iso_8859_7.php b/functions/encode/iso_8859_7.php
index d86f4f61622a9b026879e036acc8d909ce2937cb..9b2de332cd8ec2457859395e1a12febfb88e1cde 100644 (file)
--- a/functions/encode/iso_8859_7.php
+++ b/functions/encode/iso_8859_7.php
@@ -1,12 +1,14 @@
 <?php
+
 /**
  * iso-8859-7 encoding functions
  *
  * takes a string of unicode entities and converts it to a iso-8859-7 encoded string
  * Unsupported characters are replaced with ?.
  *
+ * @copyright 2004-2018 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
- * @copyright Copyright &copy; SquirrelMail Development Team, 2004
  * @package squirrelmail
  * @subpackage encode
  */
@@ -20,24 +22,24 @@ function charset_encode_iso_8859_7 ($string) {
    // don't run encoding function, if there is no encoded characters
    if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
 
-    $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88597('\\1')",$string);
-    // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88597(hexdec('\\1'))",$string);
-    
+    $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88597',$string);
+
     return $string;
 }
 
 /**
  * Return iso-8859-7 symbol when unicode character number is provided
- * 
- * This function is used internally by charset_encode_iso_8859_7 
- * function. It might be unavailable to other squirrelmail functions.
- * Don't use it or make sure, that functions/encode/iso_8859_7.php is 
- * included. 
  *
- * @param int $var decimal unicode value
+ * This function is used internally by charset_encode_iso_8859_7
+ * function. It might be unavailable to other SquirrelMail functions.
+ * Don't use it or make sure, that functions/encode/iso_8859_7.php is
+ * included.
+ *
+ * @param array $matches array with first element a decimal unicode value
  * @return string iso-8859-7 character
  */
-function unicodetoiso88597($var) {
+function unicodetoiso88597($matches) {
+    $var = $matches[1];
 
     $iso88597chars=array('160' => "\xA0",
                          '163' => "\xA3",
@@ -138,4 +140,3 @@ function unicodetoiso88597($var) {
     }
     return $ret;
 }
-?>
\ No newline at end of file