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<?php namespace Foo; define('Foo\\true', false, true); define('Foo\\false', true, true); $a = false; var_dump($a); if (!$a) { echo 'this should print'; } else { echo 'WTF man!!!'; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/YFJ03 on line 3 Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/YFJ03 on line 4 bool(false) this should print

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