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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                普通查詢 ~~~ $db = Be::getDb(); $users = $db->getYieldArrays("SELECT * FROM user WHERE age<18 AND sex='女'"); ~~~ 占位符查詢 ~~~ $db = Be::getDb(); $users = $db->getYieldArrays('SELECT * FROM user WHERE age<? AND sex=?', [18, '女']); ~~~ 返回一個 yield 迭代器,每次迭代只取出一條查詢到的數組(數組鍵名即查詢結果中的字段),同時游標前移。 本方法消耗的內存很少,可用于處理的數據量超過或遠大于內存時。 查詢結果可作為數組直接使用 ~~~ foreach ($users as $user) { echo $user['name']; } ~~~
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