3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function bar() { echo foo::class . "\n"; return (object) ['foo::test' => 'test', 'body' => 'content']; } public function test() { return $this; } } $f = new foo(); echo $f->bar()->{'foo::test'}; echo $f->test()->title;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
foo test Warning: Undefined property: foo::$title in /in/3F7Am on line 24
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 foo test Warning: Undefined property: foo::$title in /in/3F7Am on line 24
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
foo test Notice: Undefined property: foo::$title in /in/3F7Am on line 24
Output for 7.3.32 - 7.3.33, 7.4.26
foo test

preferences:
210.92 ms | 401 KiB | 291 Q