*/ protected $fillable = [ 'username', 'matrix_username', 'phone', ]; public static function validate_with_matrix_username(string $matrix_username) { $matrix_username = $matrix_username ?? ''; if($matrix_username == '') return [ 'error' => 'The username is empty, please, write username!!!' ]; $user = User::where('matrix_username', $matrix_username)->first(); if(!$user) return [ 'error' => 'A user with the username does not exist!!!' ]; return [ 'ok' => 'A user with the username is valid.' ]; } }