3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { function __construct() { echo ' Base'; } } class Extended extends Base { function __construct() { echo ' Extended'; } } class Extended2 extends Extended { function __construct() { echo ' Extended2'; } } $var1 = new Base(); $var2 = new Extended(); $var3 = new Extended2(); $var4 = $var1; new $var4; $var5 = clone $var3;
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
Base Extended Extended2 Base
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 Base Extended Extended2 Base
preferences:
164.21 ms | 402 KiB | 228 Q