Let’s explore more about the function drupal_set_message in Drupal. As a part of our Drupal Development Services, Bobcares offers solutions to your Drupal Queries.

Function “drupal_set_message” in Drupal

The database layer of Drupal does not abstract SQL functions across databases. To ensure portability across database engines, the code should only use ANSI-compliant functions supporting all the databases that Drupal supports. Additionally, Drupal core adds a few special functions that are exclusive to Drupal.

The

drupal_set_messageCopy Code

function sets a message that the user will see. The $messages theme variable shows messages in the page template while storing them in a session variable. E.g.,

drupal_set_message(t(‘An error occurred and processing did not complete.’), ‘error’);

Function Parameters

1.

string|\Drupal\Component\Render\MarkupInterface $messageCopy Code

: The translated message that the user will see. It should start with a capital letter and end with a period to be consistent with previous communications.

2.

string $typeCopy Code

: It shows the type of the message. The supported values are ‘status’, ‘warning’, and ‘error’. The default value will be ‘status’.

3.

bool $repeatCopy Code

: The message will not repeat if this is FALSE and it is previously set. FALSE is the default.

Return Values Of The Function

The return will be array|null. A multidimensional array containing keys associating the set message kinds. The set messages for each type are stored in the indexed array values of each, and each message is an associative array with the formats,

safeCopy Code

and

messageCopy Code

.

safeCopy Code

boolean shows whether the message string has been marked as safe. Unsafe strings will be automatically escaped.

messageCopy Code

shows the message string.

Let’s look into an example:

The function returns NULL when we set no message.

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Conclusion

To sum up, this article explains the function drupal_set_message in Drupal, along with an example.