mrcodefinger

function cleanString($string) {
    $string = str_replace([' ', 'Ä', 'ä', 'Ö', 'ö', 'Ü', 'ü', 'ß'], [' ', 'Ae', 'ae', 'Oe', 'oe', 'Ue', 'ue', 'ss'], $string);
    $string = preg_replace('/[^A-Za-z0-9\-]/', '-', $string);

    return preg_replace('/-+/', '-', $string);
}
echo cleanString('In Köln trinkt man Kölsch und in Düsseldorf trinkt man Alt.'

mrcodefinger

$('input[name="number_rooms__to"]').on('change', function () {
    $('input[name="number_rooms__of"]').attr('max', $(this).val() - 1);
});
$('input[name="number_rooms__of"]').on('change', function () {
    $('input[name="number_rooms__to"]').attr('min', parseInt($(this).val()) + 1);
});

mrcodefinger

/** 
*  With this code it is possible to hide unnecessary widgets of the elementor plugin for wordpress. 
*  Comment in or out relevant values in array.
*/
global $elementor_widget_blacklist;
$elementor_widget_blacklist = [
  //'common',
  'heading',
  //'image',
  //'text-editor',