hasAttribute() public method

Check for an attribute defined in the schema that maps to an LDAP attribute.
public hasAttribute ( string $attribute ) : boolean
$attribute string
return boolean
 /**
  * Determines which method to actually call.
  *
  * @param string $method
  * @param mixed $arguments
  * @return mixed
  */
 public function __call($method, $arguments)
 {
     if (!preg_match('/^(findOneBy|findBy)(.*)$/', $method, $matches)) {
         throw new \RuntimeException(sprintf('The method name should begin with "findOneBy" or "findBy". "%s" is unknown.', $method));
     }
     if (empty($arguments)) {
         throw new \RuntimeException(sprintf('The method name should begin with "findOneBy" or "findBy". "%s" is unknown.', $method));
     }
     $method = $matches[1];
     $attribute = lcfirst($matches[2]);
     if (!$this->schema->hasAttribute($attribute)) {
         throw new \RuntimeException(sprintf('To call "%s" you must define the attribute "%s" in your schema.', $method, $attribute));
     }
     if (1 == count($arguments)) {
         return $this->{$method}([$attribute => $arguments[0]]);
     } else {
         return $this->{$method}(array_merge([$attribute => array_shift($arguments)], $arguments));
     }
 }