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<?php define('A', 1, true); var_dump(A); define('A', 2); var_dump('A');
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/95du4 on line 2 int(1) Warning: Constant A already defined in /in/95du4 on line 2 string(1) "A"

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