3v4l.org

run code in 300+ PHP versions simultaneously
<?php register_shutdown_function(function () { var_dump(memory_get_usage()); var_dump(error_get_last()); $lotsOfMemoryLeftThatCanBeUsed = str_repeat(' ', 1000); var_dump(strlen($lotsOfMemoryLeftThatCanBeUsed)); }); function foo() { foo(); } foo();
Output for 8.2.0 - 8.2.9
Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 262144 bytes) in /in/K2Uq4 on line 13 Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 262144 bytes) in Unknown on line 0 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.1.2 - 8.1.22
Fatal error: Out of memory (allocated 31457280) (tried to allocate 262144 bytes) in /in/K2Uq4 on line 13 Fatal error: Out of memory (allocated 31457280) (tried to allocate 262144 bytes) in Unknown on line 0 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.1
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/K2Uq4 on line 13 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in Unknown on line 0
Process exited with code 255.
Output for 7.4.0 - 7.4.2

Process exited with code 139.
Output for 5.6.0 - 5.6.40
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/K2Uq4 on line 13
Process exited with code 255.
preferences:
228.34 ms | 401 KiB | 278 Q