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<?php $array = array( 'user_id' => 1, 'user_name' => 'User', 'user_email' => 'mail@user.com' ); array_walk($array,function($value, &$key) { $key = str_replace("user_","",$key); }); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: {closure}(): Argument #2 ($key) must be passed by reference, value given in /in/cPnkP on line 8 Warning: {closure}(): Argument #2 ($key) must be passed by reference, value given in /in/cPnkP on line 8 Warning: {closure}(): Argument #2 ($key) must be passed by reference, value given in /in/cPnkP on line 8 Array ( [user_id] => 1 [user_name] => User [user_email] => mail@user.com )

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