3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('memory_limit', '20M'); $pass = str_repeat('a', 1024 * 1024 * 8); $pass . $pass;
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Allowed memory size of 20971520 bytes exhausted (tried to allocate 16777248 bytes) in /in/EU45h on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Fatal error: Allowed memory size of 20971520 bytes exhausted (tried to allocate 16777248 bytes) in /in/EU45h on line 6
Process exited with code 255.
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Allowed memory size of 20971520 bytes exhausted (tried to allocate 16777217 bytes) in /in/EU45h on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
preferences:
237.91 ms | 402 KiB | 460 Q