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<?php function trues() { foreach(get_defined_constants() as $k => $v) if(strtolower($k) === "true") echo "$k=$v\n"; } trues(); echo "----\n"; define('TRUE', 3); trues();
Output for git.master, git.master_jit, rfc.property-hooks
TRUE=1 ---- Warning: Constant TRUE already defined in /in/8CeTD on line 10 TRUE=1

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