	protected function getNetVolumeUniqueId($netVolumes = null, $prefix = 'nm') {
		$id = false;
		if (is_null($netVolumes)) {
			$netVolumes = $this->getNetVolumes();
		}
		$ids = array();
		foreach($netVolumes as $vOps) {
			if (isset($vOps['id']) && strpos($vOps['id'], $prefix) === 0) {
				$ids[$vOps['id']] = true;
			}
		}
		if (! $ids) {
			$id = $prefix.'1';
		} else {
			$i = 0;
			while(isset($ids[$prefix.++$i]) && $i < 10000);
			$id = $prefix.$i;
			if (isset($ids[$id])) {
				$id = false;
			}
		}
		return $id;
	}
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.