Article Topic Learning Download Q&A Programming Dictionary Game Recent Updates

简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)

Home > Backend Development > PHP Tutorial > body text

How to use php trigger_error() function?

怪我咯

Release： 2023-03-13 12:18:02

Original

1946 people have browsed it

trigger_error() Function Creates a user-level error message. The

trigger_error() function can be associated with the built-in error handler, or a user-defined function can be used as a new error handler (set_error_handler()) .

Syntax

trigger_error(errormsg,errortype);

Copy after login

##ParametersDescriptionRequired. Specifies the error message. Maximum length 1024 bytes. ##trigger_error() Example


errormsg
errortype	Optional. Specifies the error type. Possible values: E_ USER_ERROR E_USER_WARNING E_USER_NOTICE (Default)

errormsg

errortype

Optional. Specifies the error type. Possible values:

E_
USER_ERROR
E_USER_WARNING
E_USER_NOTICE (Default)

<?php
if ( $divisor  ==  0 ) {
     trigger_error ( "Cannot divide by zero" ,  E_USER_ERROR );
}
?>

Copy after login

PS: In HTML entities in error_msg will not be escaped. If the error message is to be displayed in the browser, you need to use htmlentities

() on the error message.

The above is the detailed content of How to use php trigger_error() function?. For more information, please follow other related articles on the PHP Chinese website!

Related labels：

error php trigger

source：php.cn

Previous article：Usage of php set_exception_handler() function Next article：Introduction to php user_error() function

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn