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PHP code:

$dbginfo = array();
if ($dbginfo == NULL) {
$dbginfo['null'] = 'true';
}


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            $dbginfo['null'] = 'true'; <=== Õâ¸ö'null'ÊǼüÃû£¬ËùÒÔÓÃÒýºÅÀ¨Æð
        }

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