				list($ext, $_mime) = explode(':', $pair);
				if (! isset($extTable[$_mime])) {
					$extTable[$_mime] = $ext;
				}
			}
		}
		
		if ($mime && isset($extTable[$mime])) {
			return $suffix? ($extTable[$mime] . $suffix) : $extTable[$mime];
		}
		return '';
	}
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.