Parse long and lat from multimap

[shocker-z]

Is there a way that i would be able to parse the information 52.9767 and -1.0986 from the following lines? well from the entire page source?

<dl class="geo">
<dt>Lat:</dt>

<dd class="latitude">52:58:36N (52.9767)</dd>
<dt>Lon:</dt>
<dd class="longitude">1:05:55W (-1.0986)</dd>
</dl>

Or no of any ready made scripts?

Regards
Liam

[fert]

you could use php's xml functions

[Barand]

I'd use strpos() to find <dd class="latitude"> then again to find the next occurrence </dd> following that.

Use substr() to extract the intervening text.

Repeat the process on the extracted text to get the text between "(" and ")".

Similarly for the longitude

[shocker-z]

hmm ive just got round to playting wiht it and thought to start with i would create just a litle block of code to size it down faster as </dd> occurs alot before the position i want.

The code below starts in the correct position but it echo's right to the bottom of the page??

[code]<?php
$multimap=file_get_contents('http://www.multimap.com/map/browse.cgi?client=public&search_result=&db=pc&lang=&keepicon=true&pc=NG43QN&advanced=&client=public&addr2=&quicksearch=ng43qn&addr3=&addr1=');

$place1=strpos($multimap,'<dt>Lat:</dt>');
$place2=strpos($multimap,'<dt>Web Address:</dt>');

echo 'long1: '.$place1.'<Br>';
echo 'long2: '.$place2.'<Br>';


echo substr($multimap, $place1, $place2);

?>[/code]

can see how it displays @ [url=http://www.ukchat.ws/engineers/untitled2.php]http://www.ukchat.ws/engineers/untitled2.php[/url]

Regards
Liam

[Barand]

try

echo substr($multimap, $place1, $place2-$place1);

The 3rd arg is number of characters, not position.

[shocker-z]

wkd mate,

working fine, now to get down to business.

It's always somthing simple lol

Liam

[Barand]

BTW, the third arg of strpos is the position to search from, so

[code]<?php
$pos1 = strpos ($multimap, '<dd class="latitude">');
$pos2 = strpos ($multimap, '</dd>', $pos1);              // srch from pos1

echo substr($multimap, $pos1+21, $pos2-($pos1+21));    // allow for length of first string

?>[/code]
-->
52:58:36N (52.9767)

[Barand]

Oops, see edited code. Didn't allow for the length of the first search string

[shocker-z]

Cheers mate, heres the full code for anyone that needs it :)


[code]<form id="form1" name="form1" method="post" action="">
  Enter Postcode:
  <input name="postcode" type="text" id="postcode" />
  <input type="submit" name="Submit" value="Submit" />
</form>

<?php
if (isset($_POST['postcode'])) {

$multimap=file_get_contents('http://www.multimap.com/map/browse.cgi?client=public&search_result=&db=pc&lang=&keepicon=true&pc='.$_POST['postcode'].'&advanced=&client=public&addr2=&quicksearch=ng43qn&addr3=&addr1=');

$place1=strpos($multimap,'<dt>Lat:</dt>');
$place2=strpos($multimap,'<dt>Web Address:</dt>');
$latlon = substr($multimap, $place1, $place2-$place1);


//latitude
$lat1 = strpos ($latlon, '<dd class="latitude">');
$lat2 = strpos ($latlon, '</dd>', $lat1);
$lat = substr($latlon, $lat1+21, $lat2-($lat1+21));


$latitude1 = strpos ($lat, '(');
$latitude2 = strpos ($lat, ')', $latitude1);
$latitude = substr($lat, $latitude1+1, $latitude2-($latitude1+1));

//longditude
$lon1 = strpos ($latlon, '<dd class="longitude">');
$lon2 = strpos ($latlon, '</dd>', $lon1);
$lon = substr($latlon, $lon1, $lon2-$lon1);

$longitude1 = strpos ($lon, '(');
$longitude2 = strpos ($lon, ')', $longitude1);
$longitude = substr($lon, $longitude1+1, $longitude2-($longitude1+1));

echo 'Lon: '.$longitude.'<Br>';
echo 'Lat: '.$latitude.'<Br>';
}
?>[/code]


Regards
Liam