3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = range(0, 1000000); for ($ii = 0; $ii < count($data); ++$ii);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.1, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 2097152) (tried to allocate 33554440 bytes) in /in/uR001 on line 2 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/uR001 on line 2
Process exited with code 255.

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219.98 ms | 402 KiB | 326 Q