3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(1, 70000); $arr = array_combine($a, array_fill(0, count($a), 0));
Output for 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, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.1.20 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 7.1.10

Process exited with code 137.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/HT6bS on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_combine() in /in/HT6bS on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/HT6bS on line 4
preferences:
167.32 ms | 401 KiB | 330 Q