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<?php namespace Foo { define('Foo\\null', true, true); define('Foo\\false', true, true); //define("Foo\\M_PI", 413, true); echo 'null:';if (null) echo "TRUE";else echo "FALSE"; echo ' false:';if (false) echo "TRUE";else echo "FALSE"; echo ' true:';if (true) echo "TRUE";else echo "FALSE"; echo ' M_PI:'.M_PI.' π'; }

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