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<?php function flatten($inputArray) { $output = ''; foreach ($inputArray as $element) { if (is_array($element) == true) { $output .= flatten($element); }else { $output .= $element; } } return $output;}$print = array( 'orange', 'green', array( 'yellow', 'white' ));echo flatten($print);
Output for git.master, git.master_jit, rfc.property-hooks
orangegreenyellowwhite

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