3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mt_rand(5, 6);
Output for 5.6.0 - 5.6.2, 5.6.4, 5.6.8 - 5.6.9, 5.6.12, 5.6.15, 5.6.17 - 5.6.21, 5.6.23, 5.6.25, 5.6.27, 5.6.29 - 5.6.30, 5.6.36, 5.6.38 - 5.6.40, 7.0.0 - 7.0.3, 7.0.6 - 7.0.7, 7.0.12, 7.0.16 - 7.0.17, 7.0.20 - 7.0.22, 7.0.30, 7.0.32, 7.1.0, 7.1.2 - 7.1.6, 7.1.10 - 7.1.11, 7.1.13 - 7.1.14, 7.1.16 - 7.1.17, 7.1.19 - 7.1.20, 7.1.22, 7.1.24, 7.1.30 - 7.1.32, 7.2.1, 7.2.3 - 7.2.4, 7.2.7 - 7.2.10, 7.2.12 - 7.2.13, 7.2.15, 7.2.18 - 7.2.20, 7.2.23 - 7.2.26, 7.3.0 - 7.3.1, 7.3.3, 7.3.7, 7.3.9 - 7.3.13, 7.4.1
5
Output for 5.6.3, 5.6.5 - 5.6.7, 5.6.10 - 5.6.11, 5.6.13 - 5.6.14, 5.6.16, 5.6.22, 5.6.24, 5.6.26, 5.6.28, 5.6.31 - 5.6.35, 5.6.37, 7.0.4 - 7.0.5, 7.0.8 - 7.0.11, 7.0.13 - 7.0.15, 7.0.18 - 7.0.19, 7.0.23 - 7.0.29, 7.0.31, 7.0.33, 7.1.1, 7.1.7 - 7.1.9, 7.1.12, 7.1.15, 7.1.18, 7.1.21, 7.1.23, 7.1.25 - 7.1.29, 7.1.33, 7.2.0, 7.2.2, 7.2.5 - 7.2.6, 7.2.11, 7.2.14, 7.2.16 - 7.2.17, 7.2.21 - 7.2.22, 7.3.2, 7.3.4 - 7.3.6, 7.3.8, 7.4.0
6

preferences:
123.38 ms | 409 KiB | 157 Q