3v4l.org

run code in 300+ PHP versions simultaneously
<?php # 986037874 php 5.2.1 - 5.6.0a3 # 1624060161 php 4.3.0 - 5.2.0 mt_srand(100); echo mt_rand();
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
1166953220
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
986037874
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
1624060161
preferences:
203 ms | 402 KiB | 288 Q