I think something like this would work for you:
<?php
if (isset($_POST["submit"])) {
$InsertQuery = new WA_MySQLi_Query($siteguide2018);
$InsertQuery->Action = "insert";
$InsertQuery->Table = "PORC_records";
$InsertQuery->bindColumn("common_name", "s", "".((isset($_POST["species"]))?$_POST["species"]:"") ."", "WA_DEFAULT");
$InsertQuery->saveInSession("ID");
$InsertQuery->execute();
$InsertGoTo = "";
if (function_exists("rel2abs")) $InsertGoTo = $InsertGoTo?rel2abs($InsertGoTo,dirname(__FILE__)):"";
$InsertQuery->redirect($InsertGoTo);
}
?>
<?php
if ((isset($_POST["link1"]))?$_POST["link1"]:"") {
$InsertQuery = new WA_MySQLi_Query($siteguide2018);
$InsertQuery->Action = "insert";
$InsertQuery->Table = "PORC_ebirdlinks";
$InsertQuery->bindColumn("record_ID", "s", "".($_SESSION["ID"]) ."", "WA_DEFAULT");
$InsertQuery->bindColumn("ebird_link", "s", "".((isset($_POST["link1"]))?$_POST["link1"]:"") ."", "WA_DEFAULT");
$InsertQuery->saveInSession("ID");
$InsertQuery->execute();
$InsertGoTo = "";
if (function_exists("rel2abs")) $InsertGoTo = $InsertGoTo?rel2abs($InsertGoTo,dirname(__FILE__)):"";
$InsertQuery->redirect($InsertGoTo);
}
?>
<?php
if ((isset($_POST["link2"]))?$_POST["link2"]:"") {
$InsertQuery = new WA_MySQLi_Query($siteguide2018);
$InsertQuery->Action = "insert";
$InsertQuery->Table = "PORC_ebirdlinks";
$InsertQuery->bindColumn("record_ID", "s", "".($_SESSION["ID"]) ."", "WA_DEFAULT");
$InsertQuery->bindColumn("ebird_link", "s", "".((isset($_POST["link2"]))?$_POST["link2"]:"") ."", "WA_DEFAULT");
$InsertQuery->saveInSession("ID");
$InsertQuery->execute();
$InsertGoTo = "";
if (function_exists("rel2abs")) $InsertGoTo = $InsertGoTo?rel2abs($InsertGoTo,dirname(__FILE__)):"";
$InsertQuery->redirect($InsertGoTo);
}
?>