public function modAdd($dn, array $entry)
    {
        @ldap_mod_add($this->resource, $dn, $entry);
        $this->verifyOperation();

        return $this;
    }
public function modAdd($dn, array $entry)
    {
        @ldap_mod_add($this->resource, $dn, $entry);
        $this->verifyOperation();

        return $this;
    }
public function modAdd ( $ dn , array $ entry ) { @ ldap_mod_add ( $ this -> resource , $ dn , $ entry ) ; $ this -> verifyOperation ( ) ; return $ this ; }
Add attribute values to current attributes

@param  string $dn    The distinguished name of an LDAP entity
@param  array  $entry Values to be added to the specified attributes
@return self
Add attribute values to current attributes