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<?php $array=array("a"=>aaa,"b"=>aaaaadddd); $array = array_combine(array_map(function($k){ return 'prefix'.$k; }, array_keys($array)) , $array ); echo "<pre>";print_r($array);
Output for git.master_jit, git.master, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "aaa" in /in/WmLa5:2 Stack trace: #0 {main} thrown in /in/WmLa5 on line 2
Process exited with code 255.

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