<?php

function safe_string($string)
{
	$from = explode(',',
'<,>,&#039;,&,",À,Á,Â,Ã,Ä,&Auml;,Å,Ā,Ą,Ă,Æ,Ç,Ć,Č,Ĉ,Ċ,Ď,Đ,Ð,È,É,Ê,Ë,Ē,Ę,Ě,Ĕ,Ė,Ĝ,Ğ,Ġ,Ģ,Ĥ,Ħ,Ì,Í,Î,Ï,Ī,Ĩ,Ĭ,Į,İ,IJ,Ĵ,Ķ,Ł,Ľ,Ĺ,Ļ,Ŀ,Ñ,Ń,Ň,Ņ,Ŋ,Ò,Ó,Ô,Õ,Ö,&Ouml;,Ø,Ō,Ő,Ŏ,Œ,Ŕ,Ř,Ŗ,Ś,Š,Ş,Ŝ,Ș,Ť,Ţ,Ŧ,Ț,Ù,Ú,Û,Ü,Ū,&Uuml;,Ů,Ű,Ŭ,Ũ,Ų,Ŵ,Ý,Ŷ,Ÿ,Ź,Ž,Ż,Þ,Þ,à,á,â,ã,ä,&auml;,å,ā,ą,ă,æ,ç,ć,č,ĉ,ċ,ď,đ,ð,è,é,ê,ë,ē,ę,ě,ĕ,ė,ƒ,ĝ,ğ,ġ,ģ,ĥ,ħ,ì,í,î,ï,ī,ĩ,ĭ,į,ı,ij,ĵ,ķ,ĸ,ł,ľ,ĺ,ļ,ŀ,ñ,ń,ň,ņ,ʼn,ŋ,ò,ó,ô,õ,ö,&ouml;,ø,ō,ő,ŏ,œ,ŕ,ř,ŗ,š,ù,ú,û,ü,ū,&uuml;,ů,ű,ŭ,ũ,ų,ŵ,ý,ÿ,ŷ,ž,ż,ź,þ,ß,ſ,А,Б,В,Г,Д,Е,Ё,Ж,З,И,Й,К,Л,М,Н,О,П,Р,С,Т,У,Ф,Х,Ц,Ч,Ш,Щ,Ъ,Ы,Э,Ю,Я,а,б,в,г,д,е,ё,ж,з,и,й,к,л,м,н,о,п,р,с,т,у,ф,х,ц,ч,ш,щ,ъ,ы,э,ю,я');

	$to = explode(',',
',,,,,A,A,A,A,Ae,A,A,A,A,A,Ae,C,C,C,C,C,D,D,D,E,E,E,E,E,E,E,E,E,G,G,G,G,H,H,I,I,I,I,I,I,I,I,I,IJ,J,K,K,K,K,K,K,N,N,N,N,N,O,O,O,O,Oe,Oe,O,O,O,O,OE,R,R,R,S,S,S,S,S,T,T,T,T,U,U,U,Ue,U,Ue,U,U,U,U,U,W,Y,Y,Y,Z,Z,Z,T,T,a,a,a,a,ae,ae,a,a,a,a,ae,c,c,c,c,c,d,d,d,e,e,e,e,e,e,e,e,e,f,g,g,g,g,h,h,i,i,i,i,i,i,i,i,i,ij,j,k,k,l,l,l,l,l,n,n,n,n,n,n,o,o,o,o,oe,oe,o,o,o,o,oe,r,r,r,s,u,u,u,ue,u,ue,u,u,u,u,u,w,y,y,y,z,z,z,t,ss,ss,A,B,V,G,D,E,YO,ZH,Z,I,Y,K,L,M,N,O,P,R,S,T,U,F,H,C,CH,SH,SCH,Y,Y,E,YU,YA,a,b,v,g,d,e,yo,zh,z,i,y,k,l,m,n,o,p,r,s,t,u,f,h,c,ch,sh,sch,y,y,e,yu,ya');

	$string = urldecode(str_replace($from, $to, $string));
	$string = preg_replace('/[^a-zA-Z0-9 ]/', "", $string);

	return ($string);
}

function make_slug($slug)
{
	$slug = safe_string($slug);
	$slug = str_replace(' ', '-', $slug);

	$dash = array('--', '---', '----', '-----');
	$slug = strtolower(str_replace($dash, '-', $slug));
	return ($slug);
}