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php错误处理机制如何解决

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Release： 2016-06-13 11:51:53
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php异常处理机制怎么解决
想写一个PHP执行mysql语句出错时的监控程序，用了 try{}catch{}为什么没有效果，请帮忙指导下。
------解决方案--------------------
php 的 mysql 函数先于 php 的 try catch 结构出生

------解决方案--------------------
当错误发生时，php默认抛出错误而不是异常。
查阅set_error_handler 的相关内容
------解决方案--------------------
直接在可能出错地方，加个判断。

Related labels：
catch mysql nbsp php try
source：php.cn
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