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php默许是使用现有的connect，还有必要创建单例连接吗

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Release： 2016-06-13 12:41:45
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php默认是使用现有的connect，还有必要创建单例连接吗
php默认是使用现有的connect，还有必要创建单例连接吗

Related labels：
connect nbsp php
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