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; Error Level Constants:
; E_ALL - All errors and warnings (includes E_STRICT as of PHP 5.4.0)
; E_ALL 所有錯(cuò)誤和警告(除E_STRICT外)
; E_ERROR - fatal run-time errors
; E_ERROR 致命的錯(cuò)誤。腳本的執(zhí)行被暫停。
; E_RECOVERABLE_ERROR - almost fatal run-time errors
; E_RECOVERABLE_ERROR 大多數(shù)的致命錯(cuò)誤。
; E_WARNING - run-time warnings (non-fatal errors)
; E_WARNING 非致命的運(yùn)行時(shí)錯(cuò)誤,只是警告,腳本的執(zhí)行不會(huì)停止。
; E_PARSE - compile-time parse errors
; E_PARSE 編譯時(shí)解析錯(cuò)誤,解析錯(cuò)誤應(yīng)該只由分析器生成。
; E_NOTICE - run-time notices (these are warnings which often result from a bug in your code, but it's possible that it was intentional (e.g., using an uninitialized variable and relying on the fact it's automatically initialized to an empty string)
; E_NOTICE 腳本運(yùn)行時(shí)產(chǎn)生的提醒(往往是我們寫(xiě)的腳本里面的一些bug,比如某個(gè)變量沒(méi)有定義),這個(gè)錯(cuò)誤不 會(huì)導(dǎo)致任務(wù)中斷。
; E_STRICT - run-time notices, enable to have PHP suggest changes to your code which will ensure the best interoperability and forward compatibility of your code
; E_STRICT 腳本運(yùn)行時(shí)產(chǎn)生的提醒信息,會(huì)包含一些php拋出的讓我們要如何修改的建議信息。
; E_CORE_ERROR - fatal errors that occur during PHP's initial startup
; E_CORE_ERROR 在php啟動(dòng)后發(fā)生的致命性錯(cuò)誤
; E_CORE_WARNING - warnings (non-fatal errors) that occur during PHP's nitial startup
; E_CORE_WARNING 在php啟動(dòng)后發(fā)生的非致命性錯(cuò)誤,也就是警告信息
; E_COMPILE_ERROR - fatal compile-time errors
; E_COMPILE_ERROR php編譯時(shí)產(chǎn)生的致命性錯(cuò)誤
; E_COMPILE_WARNING - compile-time warnings (non-fatal errors)
; E_COMPILE_WARNING php編譯時(shí)產(chǎn)生的警告信息
; E_USER_ERROR - user-generated error message
; E_USER_ERROR 用戶(hù)生成的錯(cuò)誤
; E_USER_WARNING - user-generated warning message
; E_USER_WARNING 用戶(hù)生成的警告
; E_USER_NOTICE - user-generated notice message
; E_USER_NOTICE 用戶(hù)生成的提醒
; E_DEPRECATED - warn about code that will not work in future versions of PHP
; E_USER_DEPRECATED - user-generated deprecation warnings
& 表示并且
~ 表示非
| 表示或者
比如: error_reporting = E_ALL & ~E_NOTICE 表示錯(cuò)誤級(jí)別為E_ALL 并且除了E_NOTICE
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