3v4l.org

run code in 300+ PHP versions simultaneously
<?php $act = 'Read the docs'; switch ( $act ){ case 'new': case 'edit': case 'revise': case 'new-recom': case 'duplicate': $fn->renderFlightNote(); exit; case 'review': $fn->renderReview(); exit; }
Output for 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
preferences:
111.81 ms | 1598 KiB | 4 Q