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<?php function slug($title, $separator = '-') { // Remove all characters that are not the separator, letters, numbers, or whitespace. $title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', mb_strtolower($title)); // Convert all dashes/undescores into separator $flip = $separator == '-' ? '_' : '-'; $title = preg_replace('!['.preg_quote($flip).']+!u', $separator, $title); // Replace all separator characters and whitespace by a single separator $title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title); return trim($title, $separator); } slug('https://eu.api.battle.net/wow/battlePet/ability/640');
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