PHP error_reporting设置错误报告级别
在
错误日志报告级别设置,有些情况因为错误级别的设置当,某些错误不能显示出来,对这个函数来说一定要了解错误日志报告级别,共包函以下级别:
PHP error_reporting用来设定错误讯息回报的等级,参数 level 是一个整数的位元遮罩 (bitmask),见下表。
遮罩值 表示名称
1 E_ERROR
2 E_WARNING
4 E_PARSE
8 E_NOTICE
16 E_CORE_ERROR
32 E_CORE_WARNING
0 关闭错误报告
E_NOTICE 表示一般情形不记录,只有程式有错误情形时才用到,例如企图存取一个不存在的变数,或是呼叫 stat() 函式检视不存在的档案。
E_WARNING 通常都会显示出来,但不会中断程式的执行。这对除错很有效。例如:用有问题的常规表示法呼叫 ereg()。
E_ERROR 通常会显示出来,亦会中断程式执行。意即用这个遮罩无法追查到记忆体配置或其它的错误。
E_PARSE 从语法中剖析错误。
E_CORE_ERROR 类似 E_ERROR,但不包括 PHP 核心造成的错误。
E_CORE_WARNING 类似 E_WARNING,但不包括 PHP 核心错误警告。
以上就是PHP error_reporting的详细用法。

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