<?php
function geolocate($regionName) {
	//echo "\nwill geolocate for ".$regionName."\n"; 
	//return array('long_name' => $regionName,'lat' => 0,'lon' => 0);
	
	$r = new HttpRequest('//maps.googleapis.com/maps/api/geocode/json', HttpRequest::METH_GET);
	$r->addQueryData(array('address' => urlencode($regionName), 'sensor' => 'false'));

	$r->send();

	if ($r->getResponseCode() == 200) {
		$resp = json_decode($r->getResponseBody());

		if (count($resp->results) == 0)
			return null;
		else {
			return array(
				'long_name' => $resp->results[0]->address_components[0]->long_name,
				'lat' => $resp->results[0]->geometry->location->lat,
				'lon' => $resp->results[0]->geometry->location->lng);
		}

	} else {
		return null;
	}
}
//returns array with all members, or subarrays in array that match the key and value
function search($array, $key, $value){
    $results = array();

    if (is_array($array))
    {
        if (isset($array[$key]) && $array[$key] == $value)
            $results[] = $array;

        foreach ($array as $subarray)
            $results = array_merge($results, search($subarray, $key, $value));
    }

    return $results;
}

function in_array_r($needle, $haystack) {
    $found = false;
    foreach ($haystack as $item) {
    if ($item === $needle) { 
            $found = true; 
            break; 
        } elseif (is_array($item)) {
            $found = in_array_r($needle, $item); 
            if($found) { 
                break; 
            } 
        }    
    }
    return $found;
}

function unique($array, $key){
	$results = array();
	
	if(is_array($array)) {
		
		foreach($array as $elem)
			if(isset($elem[$key]) && !in_array($elem[$key],$results))
				array_push($results,$elem[$key]);	
	}
	
	return $results;
}

function toxml($array,$outerkey,$tabs) {
	$xml = "";
	foreach($array as $key=>$value) {
		if(is_array($value)) {
			if(is_numeric($key)) {
				$xml .= gt($tabs)."<".htmlspecialchars($outerkey).">".toxml($value,$outerkey,$tabs+1).gt($tabs)."</".htmlspecialchars($outerkey).">";	
			}
			else {
				if(isAssoc($value)) {
					$xml .= gt($tabs)."<".htmlspecialchars($key).">".toxml($value,$key,$tabs+1).gt($tabs)."</".htmlspecialchars($key).">";
				}				
				else {
					$xml .= toxml($value,$key,$tabs);
				}			
			}
		}
		else {
			$xml .= gt($tabs)."<".htmlspecialchars($key).">".htmlspecialchars($value)."</".htmlspecialchars($key).">";
		}
	
	}

	return $xml;
}

function isAssoc($arr) {
    return array_keys($arr) !== range(0, count($arr) - 1);
}

function gt($num) {
	$t = "\n";
	while($num--) 
		$t .= "\t";
	return $t;
}

function monthName($monthNum) {

	switch($monthNum) {
		case 1: return 'January';
		case 2: return 'February';
		case 3: return 'March';
		case 4: return 'April';
		case 5: return 'May';
		case 6: return 'June';
		case 7: return 'July';
		case 8: return 'August';
		case 9: return 'September';
		case 10: return 'October';
		case 11: return 'November';
		case 12: return 'December';
	}

}

?>