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<?php function op_slugify($title) { $output = ''; $valid_characters = 'abcdefghijklmnopqrstuvwxyz1234567890'; $len = strlen($title); for ($i = 0;$i < $len;$i++) { if (stripos($valid_characters, $title[$i]) !== FALSE) { // Letters and numbers are valid $output .= strtolower($title[$i]); } elseif ($i > 0 && stripos($valid_characters, $title[$i - 1]) !== FALSE) { // Other characters are turned into dashes, but never two // in a row. $output .= '-'; } } if (substr($output, -1, 1) === '-') { return substr($output, 0, -1); } else { return $output; } } echo op_slugify('The Old, North State!!');
Output for git.master, git.master_jit, rfc.property-hooks
the-old-north-state

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