";
		//var_dump($aAddressLines);
		$aAddress = array();
		$aFallback = array();
		$aClassType = getClassTypes();
		foreach($aAddressLines as $aLine)
		{
			$bFallback = false;
			$aTypeLabel = false;
			if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
			elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
			elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
			{
				$aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
				$bFallback = true;
			}
			else
			{
				$aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
				$bFallback = true;
			}
			if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
			{
				$sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
				$sTypeLabel = str_replace(' ','_',$sTypeLabel);
				if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
				{
					$aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
				}
				$aFallback[$sTypeLabel] = $bFallback;
			}
		}
		return $aAddress;
	}


	function addQuotes($s)
	{
		return "'".$s."'";
	}

	// returns boolean
	function validLatLon($fLat,$fLon)
	{
		return ($fLat <= 90.1 && $fLat >= -90.1 && $fLon <= 180.1 && $fLon >= -180.1);
	}

	// Do we have anything that looks like a lat/lon pair?
	// returns array(lat,lon,query_with_lat_lon_removed)
	// or null
	function looksLikeLatLonPair($sQuery)
	{
		$sFound    = null;
		$fQueryLat = null;
		$fQueryLon = null;

		// degrees decimal minutes
		// N 40 26.767, W 79 58.933
		// N 40°26.767′, W 79°58.933′
		//                  1         2                   3                  4         5            6
		if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[° ]+([0-9.]+)?[′\']*[, ]+([EW])[ ]+([0-9]+)[° ]+([0-9]+[0-9.]*)[′\']*?\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
			$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
		}
		// degrees decimal minutes
		// 40 26.767 N, 79 58.933 W
		// 40° 26.767′ N 79° 58.933′ W
		//                      1             2                      3          4            5                    6
		elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\']*[ ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+[0-9.]*)?[′\' ]+([EW])\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
			$fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
		}
		// degrees decimal seconds
		// N 40 26 46 W 79 58 56
		// N 40° 26′ 46″, W 79° 58′ 56″
		//                      1        2            3            4                5        6            7            8
		elseif (preg_match('/\\b([NS])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*[, ]+([EW])[ ]([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″"]*\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60 + $aData[4]/3600);
			$fQueryLon = ($aData[5]=='E'?1:-1) * ($aData[6] + $aData[7]/60 + $aData[8]/3600);
		}
		// degrees decimal seconds
		// 40 26 46 N 79 58 56 W
		// 40° 26′ 46″ N, 79° 58′ 56″ W
		//                      1            2            3            4          5            6            7            8
		elseif (preg_match('/\\b([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([NS])[, ]+([0-9]+)[° ]+([0-9]+)[′\' ]+([0-9]+)[″" ]+([EW])\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[4]=='N'?1:-1) * ($aData[1] + $aData[2]/60 + $aData[3]/3600);
			$fQueryLon = ($aData[8]=='E'?1:-1) * ($aData[5] + $aData[6]/60 + $aData[7]/3600);
		}
		// degrees decimal
		// N 40.446° W 79.982°
		//                      1        2                               3        4
		elseif (preg_match('/\\b([NS])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*[, ]+([EW])[ ]([0-9]+[0-9]*\\.[0-9]+)[°]*\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2]);
			$fQueryLon = ($aData[3]=='E'?1:-1) * ($aData[4]);
		}
		// degrees decimal
		// 40.446° N 79.982° W
		//                      1                           2          3                           4
		elseif (preg_match('/\\b([0-9]+[0-9]*\\.[0-9]+)[° ]+([NS])[, ]+([0-9]+[0-9]*\\.[0-9]+)[° ]+([EW])\\b/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = ($aData[2]=='N'?1:-1) * ($aData[1]);
			$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[3]);
		}
		// degrees decimal
		// 12.34, 56.78
		// [12.456,-78.90]
		//                   1          2                             3                        4
		elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData))
		{
			$sFound    = $aData[0];
			$fQueryLat = $aData[2];
			$fQueryLon = $aData[3];
		}

		if (!validLatLon($fQueryLat, $fQueryLon)) return;
		$sQuery = trim(str_replace($sFound, ' ', $sQuery));

		return array('lat' => $fQueryLat, 'lon' => $fQueryLon, 'query' => $sQuery);
	}


	function geometryText2Points($geometry_as_text, $fRadius)
	{
		$aPolyPoints = NULL;
		if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
		{
			preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
		}
		elseif (preg_match('#LINESTRING\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
		{
			preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
		}
		elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#', $geometry_as_text, $aMatch))
		{
			preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/', $aMatch[1], $aPolyPoints, PREG_SET_ORDER);
		}
		elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#', $geometry_as_text, $aMatch))
		{
			$aPolyPoints = createPointsAroundCenter($aMatch[1], $aMatch[2], $fRadius);
		}

		if (isset($aPolyPoints))
		{
			$aResultPoints = array();
			foreach($aPolyPoints as $aPoint)
			{
				$aResultPoints[] = array($aPoint[1], $aPoint[2]);
			}
			return $aResultPoints;
		}

		return;
	}

	function createPointsAroundCenter($fLon, $fLat, $fRadius)
	{
			$iSteps = max(8, min(100, ($fRadius * 40000)^2));
			$fStepSize = (2*pi())/$iSteps;
			$aPolyPoints = array();
			for($f = 0; $f < 2*pi(); $f += $fStepSize)
			{
				$aPolyPoints[] = array('', $fLon+($fRadius*sin($f)), $fLat+($fRadius*cos($f)) );
			}
			return $aPolyPoints;
	}