<?php
/*
Plugin Name: Sanitize CZ
Plugin URI: http://latrine.dgx.cz/wordpress-plugins/
Description: Odstranění diakritiky z permalinků
Author: David Grudl
Author URI: http://www.davidgrudl.com
*/ 


function sanitize_title_cz($title)  {
    // ceske znaky v utf-8 -> ascii
    $title = strtr(trim($title), array("\xc3\x81"=>'A', "\xc4\x8c"=>'C', "\xc4\x8e"=>'D', "\xc3\x89"=>'E', "\xc4\x9a"=>'E', "\xc3\x8d"=>'I', "\xc5\x87"=>'N', "\xc3\x93"=>'O', "\xc5\x98"=>'R', "\xc5\xa0"=>'S', "\xc5\xa4"=>'T', "\xc3\x9a"=>'U', "\xc5\xae"=>'U', "\xc3\x9d"=>'Y', "\xc5\xbd"=>'Z', "\xc3\xa1"=>'a', "\xc4\x8d"=>'c', "\xc4\x8f"=>'d', "\xc4\x9b"=>'e', "\xc3\xa9"=>'e', "\xc3\xad"=>'i', "\xc5\x88"=>'n', "\xc3\xb3"=>'o', "\xc5\x99"=>'r', "\xc5\xa1"=>'s', "\xc5\xa5"=>'t', "\xc3\xba"=>'u', "\xc5\xaf"=>'u', "\xc3\xbd"=>'y', "\xc5\xbe"=>'z', "\xc3\xa4"=>'a', "\xc3\xab"=>'e', "\xc3\xb6"=>'o', "\xc3\xbc"=>'u', "\xc3\x84"=>'A', "\xc3\x8b"=>'E', "\xc3\x96"=>'O', "\xc3\x9c"=>'U'));
    // ostatni znaky v utf-8 odstranit
    $title = preg_replace('#[\x80-\xFF]+#', '', $title);

    return $title;
}


add_action('sanitize_title', 'sanitize_title_cz', 2); // 2 - high priority

?>