Jergen.php

<?php

$str = 'L�a�n�d�e�s�b�e�r�g�.�A�m�y�-�2�0�0�5�_�S�U�N�& o�r�a�n�g�e�,� �g�r�e�e�n�,� �b�l�u�e� �a�n�d� �b�l�u�e�_�4�w�e�b�.�j�p�g�';

echo $str;

echo '<br><br>';

echo cleanUpString($str);

function cleanUpString($val) {

$cleaned = '';

for ($i=0, $l=strlen($val); $i < $l; $i++){
    $s = substr($val, $i, 1);
    
    if(ord($s) < 127) {
        $cleaned .= $s;
    }
}

return $cleaned;

}