trigger_error

Function • Return type changed in PHP 8.4

Generates a user-level error/warning/notice message.

PHP 5

PHP 7

Improved

PHP 8.1

PHP 8.2

PHP 8.3

Improved

PHP 8.5

trigger_error(string $message, int $error_level = E_USER_NOTICE): true

Typestring

The designated error message for this error. It's limited to 1024 bytes in length. Any additional characters beyond 1024 bytes will be truncated.

OptionalTypeintDefault valueE_USER_NOTICE

The designated error type for this error. It only works with the E_USER_* family of constants, and will default to E_USER_NOTICE.

$error_level accepts one of the following constant values:

Typetrue

Always returns true

Changes to the `trigger_error` Function

- trigger_error(string $message, int $error_level = E_USER_NOTICE): bool
+ trigger_error(string $message, int $error_level = E_USER_NOTICE): true

Return type added: bool
Parameter type added for parameter #1 ($message): string
Parameter name of parameter #2 changed: $error_type to $error_level
Parameter type added for parameter #2 ($error_level): int
Parameter default value added for position #2 ($error_level): E_USER_NOTICE

- trigger_error($message, $error_type)
+ trigger_error(string $message, int $error_level = E_USER_NOTICE): bool