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<?php define('TRUE', false); if(TRUE) echo 'Ano'; else echo 'Ne'; $constants = get_defined_constants(true); foreach ($constants as $key => $values) { foreach ($values as $key2 => $val) { if ($key2 == 'TRUE') { echo "$key\n"; } } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Constant TRUE already defined in /in/VC0q9 on line 2 AnoCore

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