user_validate_name($name)
Verify the syntax of the given name.
Parameters
string $name: The user name to validate.
Return value
string|null A translated violation message if the name is invalid or NULL if the name is valid.
File
- core/modules/user/user.module, line 267
- Enables the user registration and login system.
Code
1 2 3 4 5 6 7 8 9 10 | function user_validate_name($name) { $definition = BaseFieldDefinition::create('string') ->addConstraint('UserName', array()); $data = \Drupal::typedDataManager()->create($definition); $data->setValue($name); $violations = $data->validate(); if (count($violations) > 0) { return $violations[0]->getMessage(); }} |
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