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<?php | |
/** | |
* Resolving UK postcodes using uk-postcodes.com | |
* | |
* Another basic example that demonstrates registering namespaces, | |
* loading RDF data from the web and then directly displaying | |
* literals from the graph on the page. | |
* | |
* @package EasyRdf | |
* @copyright Copyright (c) 2009-2020 Nicholas J Humfrey | |
* @license http://unlicense.org/ | |
*/ | |
require_once realpath(__DIR__.'/..')."/vendor/autoload.php"; | |
require_once __DIR__."/html_tag_helpers.php"; | |
\EasyRdf\RdfNamespace::set('postcode', 'http://data.ordnancesurvey.co.uk/ontology/postcode/'); | |
\EasyRdf\RdfNamespace::set('sr', 'http://data.ordnancesurvey.co.uk/ontology/spatialrelations/'); | |
\EasyRdf\RdfNamespace::set('eg', 'http://statistics.data.gov.uk/def/electoral-geography/'); | |
\EasyRdf\RdfNamespace::set('ag', 'http://statistics.data.gov.uk/def/administrative-geography/'); | |
\EasyRdf\RdfNamespace::set('osag', 'http://data.ordnancesurvey.co.uk/ontology/admingeo/'); | |
?> | |
<html> | |
<head> | |
<title>EasyRdf UK Postcode Resolver</title> | |
<style type="text/css" media="all"> | |
#map | |
{ | |
border: 1px gray solid; | |
float: right; | |
margin: 0 0 20px 20px; | |
} | |
th { text-align: right } | |
td { padding: 5px; } | |
</style> | |
</head> | |
<body> | |
<h1>EasyRdf UK Postcode Resolver</h1> | |
<?= form_tag() ?> | |
<?= text_field_tag('postcode', 'W1A 1AA', array('size'=>10)) ?> | |
<?= submit_tag() ?> | |
<?= form_end_tag() ?> | |
<?php | |
if (isset($_REQUEST['postcode'])) { | |
$postcode = str_replace(' ', '', strtoupper($_REQUEST['postcode'])); | |
$docuri = "http://data.ordnancesurvey.co.uk/doc/postcodeunit/$postcode"; | |
$graph = \EasyRdf\Graph::newAndLoad($docuri); | |
// Get the first resource of type PostcodeUnit | |
$res = $graph->get('postcode:PostcodeUnit', '^rdf:type'); | |
if ($res) { | |
$lat = $res->get('geo:lat'); | |
$long = $res->get('geo:long'); | |
print "<iframe width='500' height='350' frameborder='0' scrolling='no' marginheight='0' marginwidth='0' src='https://www.openlinkmap.org/small.php?lat=$lat&lon=$long&zoom=14' style='border: 1px solid black'></iframe>"; | |
print "<table id='facts'>\n"; | |
print "<tr><th>Longitude:</th><td>" . $res->get('geo:long') . "</td></tr>\n"; | |
print "<tr><th>Latitude:</th><td>" . $res->get('geo:lat') . "</td></tr>\n"; | |
print "<tr><th>Easting:</th><td>" . $res->get('sr:easting') . "</td></tr>\n"; | |
print "<tr><th>Northing:</th><td>" . $res->get('sr:northing') . "</td></tr>\n"; | |
print "<tr><th>District:</th><td>" . $res->get('postcode:district')->label() . "</td></tr>\n"; | |
print "<tr><th>Ward:</th><td>" . $res->get('postcode:ward')->label() . "</td></tr>\n"; | |
print "</table>\n"; | |
print "<div style='clear: both'></div>\n"; | |
} | |
print $graph->dump(); | |
} | |
?> | |
</body> | |
</html> |