3v4l.org

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<?php $LoadedArray = array( 'serialnum' => array("index", 'uid', 'meetings'), 'serialnum' => array("about", 'uid', 'meetings'), 'serialnum' => array("contact", 'uid', 'meetings'), 'serialnum' => array("reportB", 'uid', 'meetings'), ); var_dump($LoadedArray);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
array(1) { ["serialnum"]=> array(3) { [0]=> string(7) "reportB" [1]=> string(3) "uid" [2]=> string(8) "meetings" } }

preferences:
242.53 ms | 405 KiB | 407 Q