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<?php namespace Foo { define("TRUE", 0); define("true", 0); var_dump(true, TRUE); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Constant TRUE already defined in /in/1UeoF on line 4 Warning: Constant true already defined in /in/1UeoF on line 5 bool(true) bool(true)

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