3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo (ob_start()?'':'') . /* ?> hello world <?php */ ob_get_clean() , PHP_EOL ;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
preferences:
89.45 ms | 1273 KiB | 4 Q