$replacechars = array(
  'replacechars' => array(
    'ó','æ', 'å', 'ä','ö','okand artist','é',"'"
));

$replacewith = array (
    'replacewith' => array(
        'o','ae','a','a','o','','e',""
    ));

$nodelattitelsc = str_replace($replacechars,$replacewith,$nodelattitelsc);