// 2) Group TRansactions
$groupid = $algorand_kmd->groupid($transactions);
#Assigns Group ID
$transactions[0]['txn']['grp'] = $groupid;
$transactions[1]['txn']['grp'] = $groupid;
$transactions[2]['txn']['grp'] = $groupid;
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//4) Send Transaction Group
#Broadcasts a raw atomic transaction to the network.
$params['transaction'] = $txn;
$return = $algorand->post("v2", "transactions", $params);
$txId = $return['response']->txId;
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