The following will output a list of all the category names in PHP:
<?php $results = @file_get_contents("https://webapp.prod.job-opp.gcp.uis.cam.ac.uk/?format=json"); if($results) { $results = json_decode($results); if(isset($results->lists) && count($results->lists) > 0) { echo "<ul>\n"; foreach($results->lists as $list) { echo "<li>".$list->name." (".$list->jobs." listed)</li>\n"; } echo "</ul>\n"; } else { echo "<p>No categories.</p>\n"; } } else { echo "<p>Unable to load categories.</p>\n"; }