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<?php $a = '0'; $b = 'NULL'; var_dump($a == $b); var_dump(is_null($a)); var_dump(is_null($b)); var_dump(empty($a)); var_dump(empty($b)); var_dump($a == '0'); var_dump($b == '');
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) bool(false) bool(true) bool(false) bool(true) bool(false)

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