/service/Config.php (1221) Undefined offset: 1求朋友们这个问题怎么解决

public function getPlatAgentIdByAid( $aid )
{

    $redisKey = Cf('platform_cache_redis_key') . '_[agent_platform_aid]_' . $aid ;

    $cache = getCacheRedisData($redisKey);

    if(empty($cache)) {

        $partner_level = Cf('partner_level');

        $agent_service = new Agent();
        $rent_line_info = $agent_service ->getAgentLevelParent($aid, [ $partner_level ]);

        $agent_id = $rent_line_info[ $partner_level ]['aid'];

        $return['agent_id'] = $agent_id ?  $agent_id : 0;

        setCacheRedisData($redisKey, original2RedisCache($return), 60*60*8); 
        return $return;

    }else{

        return redisCache2original($cache);

    }


}

就这一段代码。 求帮忙
PHP快搞死我了

你在php文件头上加上这一句代码试试
error_reporting( e_all&~e_notice );