1 files changed, 7 insertions, 9 deletions
diff --git a/phpBB/includes/utf/utf_normalizer.php b/phpBB/includes/utf/utf_normalizer.php
index a77952499a..52cdf85827 100644
--- a/phpBB/includes/utf/utf_normalizer.php
+++ b/phpBB/includes/utf/utf_normalizer.php
@@ -77,7 +77,7 @@ class utf_normalizer
 	* @param	string	&$str	The dirty string
 	* @return	string			The same string, all shiny and cleaned-up
 	*/
-	function cleanup(&$str)
+	static function cleanup(&$str)
 	{
 		// The string below is the list of all autorized characters, sorted by frequency in latin text
 		$pos = strspn($str, "\x20\x65\x69\x61\x73\x6E\x74\x72\x6F\x6C\x75\x64\x5D\x5B\x63\x6D\x70\x27\x0A\x67\x7C\x68\x76\x2E\x66\x62\x2C\x3A\x3D\x2D\x71\x31\x30\x43\x32\x2A\x79\x78\x29\x28\x4C\x39\x41\x53\x2F\x50\x22\x45\x6A\x4D\x49\x6B\x33\x3E\x35\x54\x3C\x44\x34\x7D\x42\x7B\x38\x46\x77\x52\x36\x37\x55\x47\x4E\x3B\x4A\x7A\x56\x23\x48\x4F\x57\x5F\x26\x21\x4B\x3F\x58\x51\x25\x59\x5C\x09\x5A\x2B\x7E\x5E\x24\x40\x60\x7F\x0D");
@@ -119,7 +119,7 @@ class utf_normalizer
 	* @param	string	&$str	Unchecked UTF string
 	* @return	string			The string, validated and in normal form
 	*/
-	function nfc(&$str)
+	static function nfc(&$str)
 	{
 		$pos = strspn($str, UTF8_ASCII_RANGE);
 		$len = strlen($str);
@@ -151,7 +151,7 @@ class utf_normalizer
 	* @param	string	&$str	Unchecked UTF string
 	* @return	string			The string, validated and in normal form
 	*/
-	function nfkc(&$str)
+	static function nfkc(&$str)
 	{
 		$pos = strspn($str, UTF8_ASCII_RANGE);
 		$len = strlen($str);
@@ -183,7 +183,7 @@ class utf_normalizer
 	* @param	string	&$str	Unchecked UTF string
 	* @return	string			The string, validated and in normal form
 	*/
-	function nfd(&$str)
+	static function nfd(&$str)
 	{
 		$pos = strspn($str, UTF8_ASCII_RANGE);
 		$len = strlen($str);
@@ -209,7 +209,7 @@ class utf_normalizer
 	* @param	string	&$str	Unchecked UTF string
 	* @return	string			The string, validated and in normal form
 	*/
-	function nfkd(&$str)
+	static function nfkd(&$str)
 	{
 		$pos = strspn($str, UTF8_ASCII_RANGE);
 		$len = strlen($str);
@@ -242,7 +242,7 @@ class utf_normalizer
 	*
 	* @access	private
 	*/
-	function recompose($str, $pos, $len, &$qc, &$decomp_map)
+	static function recompose($str, $pos, $len, &$qc, &$decomp_map)
 	{
 		global $utf_combining_class, $utf_canonical_comp, $utf_jamo_type, $utf_jamo_index;
 
@@ -944,7 +944,7 @@ class utf_normalizer
 	*
 	* @access	private
 	*/
-	function decompose($str, $pos, $len, &$decomp_map)
+	static function decompose($str, $pos, $len, &$decomp_map)
 	{
 		global $utf_combining_class;
 
@@ -1512,5 +1512,3 @@ class utf_normalizer
 		return $str;
 	}
 }
-
-?>
-\ No newline at end of file