3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0; $i<90000000; ++$i) { if(empty($bla)) { $bla = array(); } $bla[] = $i; }
Output for 7.0.0 - 7.0.16, 7.0.18, 7.0.20 - 7.0.31, 7.1.0 - 7.1.2, 7.1.4 - 7.1.5, 7.1.7 - 7.1.23, 7.2.0 - 7.2.9, 7.2.11 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28, 8.2.18, 8.3.5 - 8.3.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/iFQeJ on line 7
Process exited with code 255.
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Out of memory (allocated 18878464 bytes) (tried to allocate 33554440 bytes) in /in/iFQeJ on line 7 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.1.2 - 8.1.27
Fatal error: Out of memory (allocated 18878464) (tried to allocate 33554440 bytes) in /in/iFQeJ on line 7 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 134217736 bytes) in /in/iFQeJ on line 7
Process exited with code 255.
Output for 7.0.17, 7.0.19, 7.1.3, 7.1.6, 7.2.10

Process exited with code 137.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/iFQeJ on line 3
Process exited with code 139.

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