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<?php function do_action_ref_array( $callback, $args ) { call_user_func_array( $callback, array_slice( $args, 0, 2 ) ); } $function = function( $arg1, &$arg2 ) { return $arg1; }; $args = [1, 2, 3]; do_action_ref_array( $function, $args );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: {closure}(): Argument #2 ($arg2) must be passed by reference, value given in /in/qeUZt on line 4

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