/**
* Adds extension to extension list and returns new list. If -1 is returned, an error happend.
* Checks dependencies etc.
*
* @param string Extension key
* @param array Extension information array - information about installed extensions
* @return string New list of installed extensions or -1 if error
* @see showExtDetails()
*/
function addExtToList($extKey, $instExtInfo)
{
global $TYPO3_LOADED_EXT;
// ext_emconf.php information:
$conf = $instExtInfo[$extKey]['EM_CONF'];
// Get list of installed extensions and add this one.
$listArr = array_keys($TYPO3_LOADED_EXT);
if ($conf['priority'] == 'top') {
array_unshift($listArr, $extKey);
} else {
$listArr[] = $extKey;
}
// Manage other circumstances:
$listArr = tx_em_Tools::managesPriorities($listArr, $instExtInfo);
$listArr = $this->removeRequiredExtFromListArr($listArr);
// Implode unique list of extensions to load and return:
$list = implode(',', array_unique($listArr));
return $list;
}
