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<?php $walk_arr = [ 0 => "A", 1 => "B", 3 => "D", 5 => "F", ]; global $stop_walk; $stop_walk = false; $walk_func = function(&$v, $k) { global $stop_walk; if ($k === 3) { $stop_walk = true; } if ($stop_walk) { return; } $v .= " changed"; }; unset($stop_walk); array_walk($walk_arr, $walk_func); print_r($walk_arr); print $stop_walk;
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => A changed [1] => B changed [3] => D [5] => F ) 1

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