UserTypeProperty::renderControlMultiple

static function renderControlMultiple(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
	{
		$selectorValue = null;
		$typeValue = array();
		if (!is_array($value) || is_array($value) && CBPHelper::isAssociativeArray($value))
			$value = array($value);

		foreach ($value as $v)
		{
			if (CBPActivity::isExpression($v))
				$selectorValue = $v;
			else
				$typeValue[] = $v;
		}

		$userType = static::getUserType($fieldType);

		if (!empty($userType['GetPublicEditHTMLMulty']))
		{
			foreach ($typeValue as $k => &$fld)
			{
				if (!is_array($fld) || !isset($fld['VALUE']))
					$fld = array('VALUE' => $fld);
				if ($fld['VALUE'] === null)
					unset($typeValue[$k]);
			}
			$typeValue = array_values($typeValue);

			$renderResult = call_user_func_array(
				$userType['GetPublicEditHTMLMulty'],
				array(
					array('LINK_IBLOCK_ID' => $fieldType->getOptions()),
					$typeValue,
					array(
						'FORM_NAME' => $field['Form'],
						'VALUE' => static::generateControlName($field)
					),
					true
				)
			);
		}
		else
		{
			$controls = array();
			// need to show at least one control
			if (empty($typeValue))
				$typeValue[] = null;

			foreach ($typeValue as $k => $v)
			{
				$singleField = $field;
				$singleField['Index'] = $k;
				$controls[] = static::renderControlSingle(
					$fieldType,
					$singleField,
					$v,
					$allowSelection,
					$renderMode
				);
			}

			$renderResult = static::wrapCloneableControls($controls, static::generateControlName($field));
		}

		if ($allowSelection)
		{
			$renderResult .= static::renderControlSelector($field, $selectorValue, true, '', $fieldType);
		}

		return $renderResult;
	}