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<?php // define nested array $data = array("United States",array("Texas", "Philadelphia"),array("California",array ("Los Angeles", "San Francisco"))); // initialize an Iterator // pass it the array to be processed $iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($data)); // iterate over the array // result: "UNITED STATES TEXAS PHILADELPHIA CALIFORNIA LOS ANGELES SAN FRANCISCO" foreach ($iterator as $value) { print strtoupper($value) . " <br>"; }
Output for git.master, git.master_jit, rfc.property-hooks
UNITED STATES <br>TEXAS <br>PHILADELPHIA <br>CALIFORNIA <br>LOS ANGELES <br>SAN FRANCISCO <br>

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