) {
$froms = $tos = [];
foreach (explode(CRM_Core_DAO::VALUE_SEPARATOR, trim($from, CRM_Core_DAO::VALUE_SEPARATOR)) as $val) {
) {
$froms = $tos = [];
foreach (explode(CRM_Core_DAO::VALUE_SEPARATOR, trim($from, CRM_Core_DAO::VALUE_SEPARATOR)) as $val) {
}
foreach (explode(CRM_Core_DAO::VALUE_SEPARATOR, trim($to, CRM_Core_DAO::VALUE_SEPARATOR)) as $val) {
}
foreach (explode(CRM_Core_DAO::VALUE_SEPARATOR, trim($to, CRM_Core_DAO::VALUE_SEPARATOR)) as $val) {
}
$from = implode(', ', array_filter($froms));
$to = implode(', ', array_filter($tos));
}
$from = implode(', ', array_filter($froms));
$to = implode(', ', array_filter($tos));