3v4l.org

run code in 300+ PHP versions simultaneously
<?php $co2 = 300; $v1 = $co2 - 200; $v1 = $v1 <= 0 ? 0 : $v1; $v3 = $v1 - 50; $v3 = $v3 <= 0 ? 0 : $v3; $v2 = $v1 - $v3; echo ($v1 * 0) + ($v2 * 2) + ($v3 * 4);
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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
300

preferences:
197.01 ms | 405 KiB | 322 Q