3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = ""; } $foo = new Foo(); function modifiesLocallyClonedFoo($foo) { $foo = clone $foo; $foo->bar = "bar"; } modifiesLocallyClonedFoo($foo); var_dump($foo); $bar = &$foo; modifiesLocallyClonedFoo($foo); var_dump($foo);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(Foo)#1 (1) { ["bar"]=> string(0) "" } object(Foo)#1 (1) { ["bar"]=> string(0) "" }
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 object(Foo)#1 (1) { ["bar"]=> string(0) "" } object(Foo)#1 (1) { ["bar"]=> string(0) "" }
preferences:
108.21 ms | 402 KiB | 121 Q