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<?php class a { private $prop; public function __construct() { $this->prop = new a(); } } new a();
Output for 7.1.0 - 7.1.12, 7.1.14 - 7.1.16, 7.1.18 - 7.1.24, 7.2.0 - 7.2.3, 7.2.5 - 7.2.33, 7.3.16 - 7.3.31, 7.4.4 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28 - 8.1.29, 8.2.18 - 8.2.20, 8.3.5 - 8.3.8
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 4096 bytes) in /in/p07m1 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 31457280 bytes) (tried to allocate 262144 bytes) in /in/p07m1 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 31457280) (tried to allocate 262144 bytes) in /in/p07m1 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: Out of memory (allocated 130023424) (tried to allocate 262144 bytes) in /in/p07m1 on line 7 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.1.13, 7.1.17, 7.2.4

Process exited with code 137.
Output for 5.6.38
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 16777216 bytes) in /in/p07m1 on line 7
Process exited with code 255.

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