UiFormConfiguration::isRowExists

static function isRowExists(array $formSettings, array $index): bool
{
	if (empty($formSettings) || !static::checkRowIndex($index))
	{
		return false;
	}

	$column = $index['COLUMN'];
	$list = $index['LIST'];
	$row = $index['ROW'];

	if (!isset($formSettings[$column]))
	{
		return false;
	}
	if (!isset($formSettings[$column]['elements'][$list]))
	{
		return false;
	}
	if (!isset($formSettings[$column]['elements'][$list]['elements'][$row]))
	{
		return false;
	}

	return true;
}