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<?php function to_camel_case($str) { $str = strtolower($str); return preg_replace_callback('/_([a-z])/', function(array $match) { return strtoupper($match[1]); }, $str); } echo to_camel_case($key = 'me_ApetEce_COM-ER_algo_jajjajaj');
Output for git.master, git.master_jit, rfc.property-hooks
meApeteceCom-erAlgoJajjajaj

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