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<?php function array_flatten($array) { $return = array(); foreach ($array as $key => $value) { if (is_array($value)){ $return = array_merge($return, array_flatten($value));} else {$return[$key] = $value;} } return $return; } var_export(array_flatten([['a', 'b'], 'c']));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => 'a', 1 => 'c', )

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