protected static function GoogleAnalyticsAdminSettingsForm::validateCreateFieldValue in Google Analytics 8.2

Checks whether a candidate value is valid.

Parameters

string $value: The option value entered by the user.

Return value

string|null The error message if the specified value is invalid, NULL otherwise.

1 call to GoogleAnalyticsAdminSettingsForm::validateCreateFieldValue()

GoogleAnalyticsAdminSettingsForm::validateCreateFieldValues in src/Form/GoogleAnalyticsAdminSettingsForm.php

The #element_validate callback for create only fields.

File

src/Form/GoogleAnalyticsAdminSettingsForm.php, line 991

Class

GoogleAnalyticsAdminSettingsForm

Configure Google_Analytics settings for this site.

Namespace

Drupal\google_analytics\Form

Code

protected static function validateCreateFieldValue($value) {
  if (!is_bool($value) && !mb_strlen($value)) {
    return t('A create only field requires a value.');
  }
  if (mb_strlen($value) > 255) {
    return t('The value of a create only field must be a string at most 255 characters long.');
  }
}