3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo \Bar \Baz; echo __NAMESPACE__;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Parse error: syntax error, unexpected fully qualified name "\Bar", expecting "{" in /in/IWbe1 on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Foo\Bar\Baz

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184.42 ms | 402 KiB | 177 Q