I believe this is the section of code I'm looking for, but there is nothing in the "Server Behaviors" pallet that sounds like anything remotely like that. Is that what I'm looking for?
<?php 
// WA eCart Store Cart Details in Db
if (($_SERVER["REQUEST_METHOD"] == "POST") && (isset($_SERVER["HTTP_REFERER"]) && strpos(urldecode($_SERVER["HTTP_REFERER"]), urldecode($_SERVER["SERVER_NAME"].$_SERVER["PHP_SELF"])) > 0) && isset($_POST)) // Trigger
{
  $WA_connection = $adventcms;
  $WA_table = "orderdetails";
  $WA_redirectURL = "checkout_success.php";
  $WA_indexField = "DetailOrderID";
  $WA_fieldNamesStr = "DetailOrderID|DetailProductID|DetailName|DetailPrice|DetailQuantity";
  $WA_fieldValuesStr = WA_eCDB_ConvertNumber("".((isset($_SESSION["eCart1_OrderID"]))?$_SESSION["eCart1_OrderID"]:"")  ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("ID")  ."") . "|" . "".$eCart1->DisplayInfo("Name")  ."" . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("Price")  ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("Quantity")  ."");
  $WA_columnTypesStr = "none,none,NULL|none,none,NULL|',none,''|none,none,NULL|none,none,NULL";
  $WA_sql = "";
  mysql_select_db($database_adventcms, $WA_connection);
  $indexFieldIndex = -1;
  $WA_fieldValues = explode("|", $WA_fieldValuesStr);
  if (!session_id()) session_start();
  if ($WA_redirectURL != "" && isset($_SERVER["QUERY_STRING"]) && $_SERVER["QUERY_STRING"] !== "" && sizeof($_POST) > 0) {
    $WA_redirectURL .= ((strpos('?', $WA_redirectURL) === false)?"?":"&").$_SERVER["QUERY_STRING"];
  }
  $WA_fieldNames = explode("|", $WA_fieldNamesStr);
  $WA_columns = explode("|", $WA_columnTypesStr);
  for ($i = 0; $i < sizeof($WA_fieldNames); $i++)
  {
    if ($WA_indexField  == $WA_fieldNames[$i])
    {
      $indexFieldIndex = $i;
      break;
    }
  }
  $deleteFieldValue = $WA_fieldValues[$indexFieldIndex];
  if (isset($deleteFieldValue) && $deleteFieldValue != "")
  { 
    $deleteParamsObj = WA_generateInsertParams(array($WA_indexField), array($WA_columns[$indexFieldIndex]), array($deleteFieldValue), -1);
    $WA_sql = "Delete from " . $WA_table . " where " . $WA_indexField . " = " . $deleteParamsObj->WA_dbValues;
    $WA_editCmd = mysql_query($WA_sql, $WA_connection) or die(mysql_error()."<br />".$WA_sql);
    $WA_okToDelete = false;
  }
  $eCart1->MoveFirst();
  while (!$eCart1->EOF())
  {
    $WA_fieldValuesStr = WA_eCDB_ConvertNumber("".((isset($_SESSION["eCart1_OrderID"]))?$_SESSION["eCart1_OrderID"]:"")  ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("ID")  ."") . "|" . "".$eCart1->DisplayInfo("Name")  ."" . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("Price")  ."") . "|" . WA_eCDB_ConvertNumber("".$eCart1->DisplayInfo("Quantity")  ."");
    $WA_fieldValues = explode("|", $WA_fieldValuesStr);
    $insertParamsObj = WA_generateInsertParams($WA_fieldNames, $WA_columns, $WA_fieldValues, -1);
    $WA_sql = "insert into ".$WA_table." (".$insertParamsObj->WA_tableValues.") values (".$insertParamsObj->WA_dbValues.")";
    $WA_editCmd = mysql_query($WA_sql, $WA_connection) or die(mysql_error()."<br />".$WA_sql);
    $eCart1->MoveNext();
  }
  if ($WA_redirectURL != "")  {
    header("Location: ".$WA_redirectURL); exit;
  }
  $eCart1->MoveFirst();
}
?>