<?php
$string = "ÁÉÍÓÚáéíóú! äëïöü";
$string = iconv( "UTF-8" , "ASCII//TRANSLIT//IGNORE" , $string );
$string = preg_replace( array( '/[ ]/' , '/[^A-Za-z0-9\-]/' ) , array( '' , '' ) , $string );
echo $string;
// your code goes here
PD9waHAKCiRzdHJpbmcgPSAiw4HDicONw5PDmsOhw6nDrcOzw7ohIMOkw6vDr8O2w7wiOwokc3RyaW5nID0gaWNvbnYoICJVVEYtOCIgLCAiQVNDSUkvL1RSQU5TTElULy9JR05PUkUiICwgJHN0cmluZyApOwokc3RyaW5nID0gcHJlZ19yZXBsYWNlKCBhcnJheSggJy9bIF0vJyAsICcvW15BLVphLXowLTlcLV0vJyApICwgYXJyYXkoICcnICwgJycgKSAsICRzdHJpbmcgKTsKCmVjaG8gJHN0cmluZzsKCi8vIHlvdXIgY29kZSBnb2VzIGhlcmU=