目录

PHP 异常参考

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PHP 异常对象

函数和方法使用异常来发送有关错误和意外行为的信息。

Exception 对象没有公共属性，但它具有私有和受保护的属性，可以使用构造函数和方法写入或读取这些属性。

Exception对象有以下方法：

Method	Description
Exception()	The constructor of the Exception object
getCode()	Returns the exception code
getFile()	Returns the full path of the file in which the exception was thrown
getMessage()	Returns a string describing why the exception was thrown
getLine()	Returns the line number of the line of code which threw the exception
getPrevious()	If this exception was triggered by another one, this method returns the previous exception. If not, then it returns null
getTrace()	Returns an array with information about all of the functions that were running at the time the exception was thrown
getTraceAsString()	Returns the same information as getTrace(), but in a string

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