/**
* getSelectedChildSections - gets all selected child sections from the given parentsection
*
* @param string $parentsection the parentsection
*
* @return array all child sections from the parent section the user wants to search in
*/
function getSelectedChildSections($parentsection)
{
$sections = array();
$postArray = _getPostArray();
foreach ($postArray as $key => $value) {
if (substr($key, 0, strlen($parentsection)) == $parentsection) {
if (strlen(substr($key, strlen($parentsection), strlen($key))) > 0) {
array_push($sections, urldecode(substr($key, strlen($parentsection), strlen($key))));
}
}
}
return $sections;
}
/**
* getStringFromPost - get a string from POST
*
* @param string $key key of the wanted value
* @param string $defaultValue if we can't find the wanted value, it returns the default value
* @return string the value
*/
function getStringFromPost($key, $defaultValue = '')
{
return _getStringFromArray(_getPostArray(), $key, $defaultValue);
}