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<?php function factorial($n) { if ($n <= 0) { return 1; } return $n * factorial($n); } echo factorial(8) . "\n";
Output for 8.1.28, 8.2.18, 8.3.6
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/r7i07 on line 8
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/r7i07 on line 8
Process exited with code 255.
Output for 8.2.17, 8.3.3 - 8.3.4
Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 262144 bytes) in /in/r7i07 on line 8 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.4.0

Process exited with code 139.
Output for 7.0.0 - 7.0.4, 7.0.6 - 7.0.18, 7.0.20 - 7.0.33, 7.1.0, 7.1.2 - 7.1.6, 7.1.8 - 7.1.9, 7.1.11 - 7.1.33, 7.2.0 - 7.2.3, 7.2.5 - 7.2.25, 7.3.0 - 7.3.12
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/r7i07 on line 4
Process exited with code 255.
Output for 7.2.4
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/r7i07 on line 4
Process exited with code 137.
Output for 5.6.14, 5.6.29 - 5.6.31, 7.0.5, 7.0.19, 7.1.1, 7.1.7, 7.1.10

Process exited with code 137.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.13, 5.6.15 - 5.6.28, 5.6.32 - 5.6.40
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/r7i07 on line 8
Process exited with code 255.

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