3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { class test { } } namespace test { class namespacetest { } } echo test::class_name . "\n"; echo test\namespacetest::class_name;
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.30, 5.6.7 - 5.6.14
Fatal error: No code may exist outside of namespace {} in /in/sFTMv on line 16
Process exited with code 255.
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194.9 ms | 1395 KiB | 67 Q