Service Now Integration - New Service

<?php
if (!empty($request["servicenow_number"])) {
    // log the original request JSON in the SERVICENOW_DETAILS UDF table
    $details = ["data" => []];
    $systemValues = [
        "apikey" => "apikey",
        "typeformat" => "typeformat",
        "module" => "module",
        "controller" => "controller",
        "action" => "action",
        "request_method" => "request_method",
        "limit" => "limit",
        "page" => "page",
        "tenants_recid" => "tenants_recid",
        "ident" => "ident"
    ];
    $data = array_diff_key($request, $systemValues);
    foreach ($data as $field => $value) {
        $details["data"][] = [
            "LABEL" => $field,
            "VALUE" => $value
        ];
    }

    // set the default save data to create an SO with the SNOW data in a UD table
    $payload = [
        "type" => "SO",
        "csr" => "1", // User Demo
        "udf_SERVICENOW_NUMBER" => trim($request["servicenow_number"]), // SERVICENOW_NUMBER
        "udf_SERVICENOW_DETAILS" => json_encode($details), // SERVICENOW_DETAILS
        "service_host" => "1"
    ];

    // get the requestor based on the incoming requestor email address
    $requestorQuery = $this->query(
        "SELECT 
            C.RECID 
        FROM 
            CONTACTS C
        JOIN CONTACTS_EMAILS CE ON C.RECID = CE.CONTACTS_RECID
        WHERE 
            CE.EMAIL = :requestor",
        [":requestor" => trim($request["requestor"])]
    );

    if (count($requestorQuery) && ($requestorRecid = $requestorQuery[0]["RECID"])) {
        // find the catalog RECID
        $catalogQuery = $this->query(
            "SELECT
                SC.RECID
            FROM
                SERV_CATALOG SC
            WHERE 
                SC.SERVICE_NAME = :catalog",
            [":catalog" => $request["catalog"]]
        );

        if (count($catalogQuery) && ($catalogRecid = $catalogQuery[0]["RECID"])) {
            // find the location RECID of the location
            $locationQuery = $this->query(
                "SELECT
                    L.RECID
                FROM
                    LOCATIONS L
                WHERE
                    L.NAME = :location",
                [
                    ":location" => $request["new_location"]
                ]);

            if (count($locationQuery) && ($locationRecid = $locationQuery[0]["RECID"])) {
                // set the SDA variables if the data is valid
                $payload["sd_action"] = "ADD";
                $payload["requestor"] = $requestorRecid;
                $payload["owner_contact"] = $requestorRecid;
                $payload["catalog"] = $catalogRecid;
                $payload["location"] = $locationRecid;
            } else {
                $response["error_message"] = "A valid LOCATION RECID could not be found in PCR360 based "
                    . "on the incoming Location: " . $request["new_location"];
            }
        } else {
            $response["error_message"] = "The Catalog '" . $catalog . "' could not be found in PCR360.";
        }
    } else {
        $response["error_message"] = "A valid CONTACT RECID could not be found in PCR360 based "
            . "on the incoming email address: " . $request["requestor"];
    }

    if (isset($response["error_message"])) {
        // log the error as a remark on the SO
        $payload["remarks"] = "A Service Desk Action could not be created on this Service Order "
            . "due to the following error: " . $response["error_message"];
    }

    $result = $this->call("saveServiceDesk", $payload);
    $response["servicedesk_number"] = $result["data"];
}