Online PHP editor | refs for kNSQr

<?php $chapter_full_path = "/test/eeee/last/"; $chapter_path_name = "/last/"; $chapter_path_name_length=strlen($chapter_path_name); $oldParentFullPathLength = strlen($chapter_full_path) - $chapter_path_name_length; $oldParentFullPath=substr($chapter_full_path,0,$oldParentFullPathLength); echo $oldParentFullPath;