3v4l.org

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<?php $times = array( '7:30pm', '2:00pm', '8:00pm', ); sort($times); $results = array(array()); foreach ($times as $time_range) { foreach ($results as $combination) { array_push($results, array_merge(array($time_range), $combination)); } } print_r($results);
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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => Array ( ) [1] => Array ( [0] => 2:00pm ) [2] => Array ( [0] => 7:30pm ) [3] => Array ( [0] => 7:30pm [1] => 2:00pm ) [4] => Array ( [0] => 8:00pm ) [5] => Array ( [0] => 8:00pm [1] => 2:00pm ) [6] => Array ( [0] => 8:00pm [1] => 7:30pm ) [7] => Array ( [0] => 8:00pm [1] => 7:30pm [2] => 2:00pm ) )

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261.94 ms | 406 KiB | 308 Q