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<?php $person = array( 'name' => 'John', 'age' => 24, 'locations' => Array ( 'Greenwhich' => Array ( 'New Eltham', 'Central Greenwhich' ), 'Feltham' ) ); echo $person['locations']['Greenwhich'][0]; echo '<pre>', print_r($person, true), '</pre>';
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
New Eltham<pre>Array ( [name] => John [age] => 24 [locations] => Array ( [Greenwhich] => Array ( [0] => New Eltham [1] => Central Greenwhich ) [0] => Feltham ) ) </pre>

preferences:
248.01 ms | 406 KiB | 328 Q