PHP: Russian to Translit

totranslit.php

function totranslit($var, $lower = true, $punkt = true) {
	$NpjLettersFrom = "абвгдезиклмнопрстуфцыі";
	$NpjLettersTo = "abvgdeziklmnoprstufcyi";
	$NpjBiLetters = array ("й" => "j", "ё" => "yo", "ж" => "zh", "х" => "x", "ч" => "ch", "ш" => "sh", "щ" => "shh", "э" => "ye", "ю" => "yu", "я" => "ya", "ъ" => "", "ь" => "", "ї" => "yi", "є" => "ye" );
	
	$NpjCaps = "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЬЪЫЭЮЯЇЄІ";
	$NpjSmall = "абвгдеёжзийклмнопрстуфхцчшщьъыэюяїєі";
	
	$var = str_replace( ".php", "", $var );
	$var = trim( strip_tags( $var ) );
	$var = preg_replace( "/\s+/ms", "-", $var );
	$var = strtr( $var, $NpjCaps, $NpjSmall );
	$var = strtr( $var, $NpjLettersFrom, $NpjLettersTo );
	$var = strtr( $var, $NpjBiLetters );
	
	if ( $punkt ) $var = preg_replace( "/[^a-z0-9\_\-.]+/mi", "", $var );
	else $var = preg_replace( "/[^a-z0-9\_\-]+/mi", "", $var );

	$var = preg_replace( '#[\-]+#i', '-', $var );

	if ( $lower ) $var = strtolower( $var );
	
	if( strlen( $var ) > 50 ) {
		
		$var = substr( $var, 0, 50 );
		
		if( ($temp_max = strrpos( $var, '-' )) ) $var = substr( $var, 0, $temp_max );
	
	}
	
	return $var;
}