3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'world'; $here = <<<HEREDOC Hello $var HEREDOC; $now = <<<'NOWDOC' Hello $var NOWDOC; var_dump($here, $now);
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 - 8.3.4, 8.3.6
string(11) "Hello world" string(10) "Hello $var"
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 string(11) "Hello world" string(10) "Hello $var"

preferences:
173.77 ms | 402 KiB | 182 Q