PHP Clean URL (SLUG) Generator

example.php

<?php
$slug = slugit("thank you for visiting");
echo $slug;
// returns: thank-you-for-visiting
?>

slugme.php

<?php
setlocale(LC_ALL, 'en_US.UTF8');
function slugit($str, $replace=array(), $delimiter='-') {
    if ( !empty($replace) ) {
        $str = str_replace((array)$replace, ' ', $str);
	}
	$clean = iconv('UTF-8', 'ASCII//TRANSLIT', $str);
	$clean = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", '', $clean);
	$clean = strtolower(trim($clean, '-'));
	$clean = preg_replace("/[\/_|+ -]+/", $delimiter, $clean);
	return $clean;
}
?>

If you are working with PHP- Codeigniter framework and you want to Generate URL slug in Codeigniter then follow this link
https://datainflow.com/generate-url-slug-codeigniter/

Be aware that setlocale(LC_ALL, 'en_US.UTF8'); will influence the output!

e.g. if ö will be converted to o or oe (latter e.g. for german)

So dependent on you target audience you should use their locale for this function.