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ThinkPHP下PDO連接數據庫報錯出現“PDO->__construct(‘mysql:host=localhost…’”（SQLSTATE[HY000] [2002]）
前幾天有個客戶說他裝的ThinkPHP框架的站點，過一段時間就崩了~~出現一系列的錯...
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寶塔控制面板內PHP報WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers)錯誤的解決辦法
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