run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); class SomeImmutableObject { private $someString; public function __construct(string $value) { $this->someString = $value; } public function getValue(): string { return 'the value is:' . $this->someString . ' - '; } } $one = new SomeImmutableObject('Foo'); echo $one->getValue(); //Foo $one->__construct('Bar'); echo $one->getValue(); //Bar
based on CiHPG

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
the value is:Foo - the value is:Bar -

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page