3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 695 => [ 0 => [ '00:00', '01:00', '01:30', '03:30', '04:00', ] ], 700 => [ 1 => [ '00:00', '00:30', '01:00', '01:30', '02:00', ], 2 => [ '00:00', '00:30', '09:00', '06:30', '07:00', ] ] ]; var_export( array_map( fn($rows) => array_values( array_unique( array_merge(...$rows) ) ), $array ) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
array ( 695 => array ( 0 => '00:00', 1 => '01:00', 2 => '01:30', 3 => '03:30', 4 => '04:00', ), 700 => array ( 0 => '00:00', 1 => '00:30', 2 => '01:00', 3 => '01:30', 4 => '02:00', 5 => '09:00', 6 => '06:30', 7 => '07:00', ), )
preferences:
111.31 ms | 407 KiB | 5 Q