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run code in 500+ PHP versions simultaneously
<?php namespace Crell\Serde { if (!class_exists(Serde::class)) { abstract class Serde {} } } namespace { use Crell\Serde\Serde; class Expression extends Serde {} }
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9

preferences:
67.13 ms | 1019 KiB | 4 Q