3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __get($prop) { return 'foo'; } } class Bar { public function __get($prop) { return 'bar'; } public function __isset($prop) { return true; } } $foo = new Foo(); var_dump(empty($foo->baz)); $bar = new Bar(); var_dump(empty($bar->baz));
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.17, 8.2.19 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(true) bool(false)
Output for 8.2.18
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.2.18/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.2.18/modules/sodium.so.so (/usr/lib/php/8.2.18/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 bool(true) bool(false)
preferences:
57.92 ms | 973 KiB | 4 Q