3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(ini_get('memory_limit')); ini_set('memory_limit', '16M'); $s = str_repeat('*', 16 * 1024 * 1024);
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
string(0) ""
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 - 5.6.28
string(3) "64M" Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 16777217 bytes) in /in/lHP3b on line 5
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 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26
string(3) "64M" Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 16777248 bytes) in /in/lHP3b on line 5
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13
string(4) "128M" Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 16777248 bytes) in /in/lHP3b on line 5
Process exited with code 255.
Output for 8.5.0 - 8.5.11
string(3) "64M" Fatal error: Allowed memory size of 16777216 bytes exhausted (tried to allocate 16777248 bytes) in /in/lHP3b on line 5 Stack trace: #0 /in/lHP3b(5): str_repeat('*', 16777216) #1 {main}
Process exited with code 255.

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