3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = []; for ($i = 0; $i < 1000000; $i++) { $arrays[] = [1, 2, 3, 4, 5, 6, 7, 8]; }
Output for 7.1.0 - 7.1.7, 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 18878464) (tried to allocate 33554440 bytes) in /in/queA3 on line 6 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.1.10

Process exited with code 137.
Output for 7.0.0 - 7.0.20
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/queA3 on line 6
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/queA3 on line 6
Process exited with code 255.

preferences:
137.63 ms | 402 KiB | 183 Q