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<?php $array = [[[[[[' abc ']]]]]]; array_walk_recursive($array, function (&$item){ $item = trim($item); }); print_r($array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [0] => Array ( [0] => Array ( [0] => Array ( [0] => Array ( [0] => abc ) ) ) ) ) )

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