UTF accents to ASCII

function utf8_accents_to_ascii ( $str, $case = 0 )
{	
	static $UTF8_LOWER_ACCENTS = NULL;
	static $UTF8_UPPER_ACCENTS = NULL;
	
	if ( $case <= 0 )
	{		
		if ( is_null ( $UTF8_LOWER_ACCENTS ) )
		{
			$UTF8_LOWER_ACCENTS = array
			(
				'� ' => 'a', '�´' => 'o', '��' => 'd', 'ḟ' => 'f', '�«' => 'e', '�¡' => 's', '�¡' => 'o',
				'�Ÿ' => 'ss', '��' => 'a', '��' => 'r', '��' => 't', '��' => 'n', '��' => 'a', '�·' => 'k',
				'��' => 's', 'ỳ' => 'y', '��' => 'n', '�º' => 'l', '�§' => 'h', 'á¹�' => 'p', '�³' => 'o',
				'�º' => 'u', '��' => 'e', '�©' => 'e', '�§' => 'c', 'áº�' => 'w', '��' => 'c', '�µ' => 'o',
				'ṡ' => 's', '�¸' => 'o', '�£' => 'g', '�§' => 't', '��' => 's', '��' => 'e', '��' => 'c',
				'��' => 's', '�®' => 'i', '�±' => 'u', '��' => 'c', '��' => 'e', '�µ' => 'w', 'ṫ' => 't',
				'�«' => 'u', '��' => 'c', '�¶' => 'oe', '�¨' => 'e', '�·' => 'y', '��' => 'a', '��' => 'l',
				'�³' => 'u', '�¯' => 'u', '�Ÿ' => 's', '�Ÿ' => 'g', '�¼' => 'l', '��' => 'f', '�¾' => 'z',
				'áº�' => 'w', 'á¸�' => 'b', '�¥' => 'a', '�¬' => 'i', '�¯' => 'i', 'á¸�' => 'd', '�¥' => 't',
				'��' => 'r', '�¤' => 'ae', '�­' => 'i', '��' => 'r', '�ª' => 'e', '�¼' => 'ue', '�²' => 'o',
				'��' => 'e', '�±' => 'n', '��' => 'n', '�¥' => 'h', '��' => 'g', '��' => 'd', '�µ' => 'j',
				'�¿' => 'y', '�©' => 'u', '�­' => 'u', '�°' => 'u', '�£' => 't', '�½' => 'y', '��' => 'o',
				'�¢' => 'a', '�¾' => 'l', 'áº�' => 'w', '�¼' => 'z', '�«' => 'i', '�£' => 'a', '�¡' => 'g',
				'á¹�' => 'm', '��' => 'o', '�©' => 'i', '�¹' => 'u', '�¯' => 'i', '�º' => 'z', '�¡' => 'a',
				'�»' => 'u', '�¾' => 'th', '�°' => 'dh', '�¦' => 'ae', '�µ' => 'u', '��' => 'e', 
			);
		}
		
		$str = str_replace(
			array_keys($UTF8_LOWER_ACCENTS),
			array_values($UTF8_LOWER_ACCENTS),
			$str
		);
	}
	
	if($case >= 0){
		if ( is_null($UTF8_UPPER_ACCENTS) ) {
			$UTF8_UPPER_ACCENTS = array(
			'��' => 'A', '��' => 'O', '�Ž' => 'D', 'Ḟ' => 'F', '��' => 'E', '� ' => 'S', '� ' => 'O',
			'��' => 'A', '��' => 'R', '�š' => 'T', '��' => 'N', '��' => 'A', '�¶' => 'K',
			'��' => 'S', 'Ỳ' => 'Y', '��' => 'N', '�¹' => 'L', '�¦' => 'H', 'á¹�' => 'P', '��' => 'O',
			'�š' => 'U', '�š' => 'E', '��' => 'E', '��' => 'C', 'áº�' => 'W', '�Š' => 'C', '��' => 'O',
			'á¹ ' => 'S', '��' => 'O', '�¢' => 'G', '�¦' => 'T', '��' => 'S', '��' => 'E', '��' => 'C',
			'�š' => 'S', '�Ž' => 'I', '�°' => 'U', '��' => 'C', '��' => 'E', '�´' => 'W', 'Ṫ' => 'T',
			'�ª' => 'U', '��' => 'C', '��' => 'Oe', '��' => 'E', '�¶' => 'Y', '��' => 'A', '��' => 'L',
			'�²' => 'U', '�®' => 'U', '�ž' => 'S', '�ž' => 'G', '�»' => 'L', '��' => 'F', '�½' => 'Z',
			'áº�' => 'W', 'á¸�' => 'B', '��' => 'A', '��' => 'I', '��' => 'I', 'Ḋ' => 'D', '�¤' => 'T',
			'��' => 'R', '��' => 'Ae', '��' => 'I', '��' => 'R', '�Š' => 'E', '��' => 'Ue', '��' => 'O',
			'��' => 'E', '��' => 'N', '��' => 'N', '�¤' => 'H', '��' => 'G', '��' => 'D', '�´' => 'J',
			'�¸' => 'Y', '�¨' => 'U', '�¬' => 'U', '�¯' => 'U', '�¢' => 'T', '��' => 'Y', '��' => 'O',
			'��' => 'A', '�½' => 'L', 'áº�' => 'W', '�»' => 'Z', '�ª' => 'I', '��' => 'A', '� ' => 'G',
			'á¹�' => 'M', '��' => 'O', '�¨' => 'I', '��' => 'U', '�®' => 'I', '�¹' => 'Z', '��' => 'A',
			'��' => 'U', '�ž' => 'Th', '��' => 'Dh', '��' => 'Ae', '��' => 'E',
			);
		}
		$str = str_replace(
			array_keys($UTF8_UPPER_ACCENTS),
			array_values($UTF8_UPPER_ACCENTS),
			$str
		);
	}
	
	return $str;	
}