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<?php $foo = new \StdClass; $bar = new \StdClass; $foo->bar = $bar; $bar->foo = $foo; $array = array('foo' => $foo, 'bar' => $bar); rwalk($array); function rwalk($array) { if (is_array($array)) { foreach ($array as $key => $value) { if (is_object($value)) { $value = (array) $value; } if (is_array($value)) { rwalk($value); } } } }
Output for 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 262144 bytes) in /in/rSg42 on line 18
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/rSg42 on line 18 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/rSg42 on line 18 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.0.13
Fatal error: Out of memory (allocated 130023424) (tried to allocate 262144 bytes) in /in/rSg42 on line 18 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/rSg42 on line 14
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Out of memory (allocated 130023424) (tried to allocate 262144 bytes) in /in/rSg42 on line 14 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.1.20 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/rSg42 on line 17
Process exited with code 255.
Output for 7.1.10

Process exited with code 137.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/rSg42 on line 18
Process exited with code 255.
Output for 5.3.11 - 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/rSg42 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.10
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 64 bytes) in /in/rSg42 on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/rSg42 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/rSg42 on line 3
Process exited with code 139.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/rSg42 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/rSg42 on line 3

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