/**
* Convert opml array into more convenient array with xmlUrl as key
*
* @param array $array Array obtained from Opml file
* @param array $listFolders List of current folders
*
* @return array New formated array
*/
public static function convertOpmlArray($array, $listFolders = array())
{
$newArray = array();
for ($i = 0, $len = count($array); $i < $len; $i++) {
if (isset($array[$i]['outline']) && (isset($array[$i]['text']) || isset($array[$i]['title']))) {
// here is a folder
if (isset($array[$i]['text'])) {
$listFolders[] = $array[$i]['text'];
} else {
$listFolders[] = $array[$i]['title'];
}
$newArray = array_merge($newArray, Opml::convertOpmlArray($array[$i]['outline'], $listFolders));
array_pop($listFolders);
} else {
if (isset($array[$i]['xmlUrl'])) {
// here is a feed
$xmlUrl = MyTool::smallHash($array[$i]['xmlUrl']);
if (isset($newArray[$xmlUrl])) {
//feed already exists
foreach ($listFolders as $val) {
// add folder to the feed
if (!in_array($val, $newArray[$xmlUrl]['folders'])) {
$newArray[$xmlUrl]['folders'][] = $val;
}
}
} else {
// here is a new feed
foreach ($array[$i] as $attr => $val) {
$newArray[$xmlUrl][$attr] = $val;
}
$newArray[$xmlUrl]['folders'] = $listFolders;
}
}
}
}
return $newArray;
}