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<?php function extension($str){ $str=implode("",explode("\\",$str)); $str=explode(".",$str); $str=strtolower(end($str)); return $str; } // EXAMPLE: $file='name-Of_soMe.File.txt'; echo extension($file); // txt ?>
Output for git.master, git.master_jit, rfc.property-hooks
txt

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