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run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct() { echo 'created!'; } } class Bar { protected $foo; public function getFoo() { return $this->foo ?? ($this->foo = new Foo); } } $bar = new Bar; var_dump($bar->getFoo(), $bar->getFoo(), $bar->getFoo());
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
created!object(Foo)#2 (0) { } object(Foo)#2 (0) { } object(Foo)#2 (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 created!object(Foo)#2 (0) { } object(Foo)#2 (0) { } object(Foo)#2 (0) { }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '?' in /in/Rkj5M on line 17
Process exited with code 255.
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