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How to use php trigger_error() function?

怪我咯

Release： 2023-03-13 12:18:02

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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);

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##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 );
}
?>

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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.

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