3v4l.org

run code in 300+ PHP versions simultaneously
<?php $g = function () use (&$g) { for ($v = 1;;) { $v = (yield $g()->send($v)); } }; foreach ($g() as $v) { var_dump($v); }
Output for 8.3.0 - 8.3.4
Fatal error: Out of memory (allocated 23068672 bytes) (tried to allocate 20480 bytes) in /in/QXDQc on line 3 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17

Process exited with code 139.
Output for 7.0.0 - 7.0.20
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 4096 bytes) in /in/QXDQc on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$g' (T_VARIABLE) in /in/QXDQc on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/QXDQc on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/QXDQc on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/QXDQc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QXDQc on line 3
Process exited with code 255.

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