3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; class Bar {} namespace Foo\Baz; class Qux {} namespace { use Foo as F; use F\Baz; new Baz\Qux; }
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.30, 5.6.8 - 5.6.14
Fatal error: Cannot mix bracketed namespace declarations with unbracketed namespace declarations in /in/hVGsJ on line 11
Process exited with code 255.
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183.01 ms | 1395 KiB | 65 Q