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<?php $array = [ 'test' => [ 'access' => 111, 'aa' => [ 'access' => 222, 'bb' => 333 ], ], 'access' => 444, 'value' => 555 ]; function removeIfNotArrayAndNotSiblingOfAccess($array) { foreach ($array as $key => &$value) { if (is_array($value)) { $value = (__FUNCTION__)($value); } elseif ($key != 'access') { unset($array[$key]); } } return $array; } var_export(removeIfNotArrayAndNotSiblingOfAccess($array));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'test' => array ( 'access' => 111, 'aa' => array ( 'access' => 222, ), ), 'access' => 444, )

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