<?php
$source=json_decode('[{"parentTitle":"Winner 2009","catTitle":"Mas Muster","title":"drm202"},{"parentTitle":"Winner 2009","catTitle":"Mas Muster","title":"drm202"},{"parentTitle":"Winner 2011","catTitle":"Josh Frank","title":"A bird in the cage"},{"parentTitle":"Winner 2011","catTitle":"Josh Frank","title":"cue & repeat"}]');
$result=array();
array_walk($source,function($v,$i)use(&$result){
if(!isset($result[$v->parentTitle])) $result[$v->parentTitle]=array();
if(!isset($result[$v->parentTitle][$v->catTitle])) $result[$v->parentTitle][$v->catTitle]=array();
if(!in_array($v->title,$result[$v->parentTitle][$v->catTitle])) $result[$v->parentTitle][$v->catTitle][]=$v->title;
});
print_r($result); // just to debug
echo "<ul>";
foreach($result as $key=>$sub){
echo "<li>".htmlentities($key,ENT_COMPAT,"UTF-8");
echo "\n<ul>";
foreach($sub as $k=>$s){
echo "<li>".htmlentities($k,ENT_COMPAT,"UTF-8");
echo "\n<ul>";
foreach($s as $i=>$v){
echo "<li>".htmlentities($v,ENT_COMPAT,"UTF-8")."</li>\n";
}
echo "</ul>\n</li>";
}
echo "</ul>\n</li>";
}
echo "</ul>";
preferences:
38.21 ms | 402 KiB | 5 Q