3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = str_repeat('aasdasdasdasdasdasdasdas', 1000000); echo memory_get_peak_usage();
Output for 8.5.0 - 8.5.3
24462704
Output for 8.4.1 - 8.4.18
24388688
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30
24388664
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 24388664
Output for 8.1.0 - 8.1.34
24388976
Output for 8.0.0 - 8.0.30
24388576
Output for 7.4.0 - 7.4.33
24388880
Output for 7.3.0 - 7.3.33
24388800

preferences:
94.53 ms | 1374 KiB | 4 Q