How to use php trigger_error() function?

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);

##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)

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

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!