3v4l.org

run code in 300+ PHP versions simultaneously
<?php $current_time = '4:00'; $time_slot = ['1:00','3:00','15:00','19:00']; var_export( array_filter( $time_slot, fn($v) => strnatcmp($current_time, $v) === -1 ) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 2 => '15:00', 3 => '19:00', )

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