3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { use foo\bar; if (false) {class bar {}} }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.20
Fatal error: Cannot declare class bar because the name is already in use in /in/cCaVq on line 6
Process exited with code 255.

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