function Get-SiteTempDirectoryPath($siteOrAppName) {
<#
.SYNOPSIS
	This function gets a website's temporary directory path
#>

[CmdletBinding()]
[OutputType([string])]

    $AlkamiHashCode = @"
    public class AlkamiHashCode
    {
        // https://stackoverflow.com/a/41575325/109749 ish
        public static string GetDirectoryName(string id, string appname, string path) {
            string v_app_name64b = AlkamiHashCode.GetStringHashCode(("/LM/W3SVC/" + id + "/" + appname + path).ToLower(System.Globalization.CultureInfo.InvariantCulture)).ToString("x", System.Globalization.CultureInfo.InvariantCulture);
            return AlkamiHashCode.GetString64(v_app_name64b).ToString("x8") + "\\" + v_app_name64b;
        }

        // System.Web.Util.StringUtil.GetStringHashCode() (System.Web.4.0.0.0) via System.Web.Hosting.ApplicationManager.CreateAppDomainWithHostingEnvironment(string appId, IApplicationHost appHost, HostingEnvironmentParameters hostingParameters)
        internal unsafe static int GetStringHashCode(string s)
        {
            fixed(char* ptr = s){
                int num = 352654597;
                int num2 = num;
                int* ptr2 = (int*)ptr;
                for (int i = s.Length; i > 0; i -= 4)
                {
                    num = ((num << 5) + num + (num >> 27) ^ *ptr2);
                    if (i <= 2)
                    {
                        break;
                    }
                    num2 = ((num2 << 5) + num2 + (num2 >> 27) ^ ptr2[1]);
                    ptr2 += 2;
                }
                return num + num2 * 1566083941;
            }
        }

        // https://stackoverflow.com/a/41575325/109749
        internal static unsafe int GetString64(string s)
        {
            fixed (char* str = s)
            {
                int num3;
                char* chPtr = str;
                int num = 0x1505;
                int num2 = num;
                for (char* chPtr2 = chPtr; (num3 = chPtr2[0]) != '\0'; chPtr2 += 2)
                {
                    num = ((num << 5) + num) ^ num3;
                    num3 = chPtr2[1];
                    if (num3 == 0)
                    {
                        break;
                    }
                    num2 = ((num2 << 5) + num2) ^ num3;
                }
                return (num + (num2 * 0x5d588b65));
            }
        }
    }
"@;

    $cp = [System.CodeDom.Compiler.CompilerParameters]::new($assemblies);
    $cp.CompilerOptions = '/unsafe';
    Add-Type -TypeDefinition $AlkamiHashCode -CompilerParameters $cp;

    $rootOrAppName = "root";
    $physicalPath = "";
    $siteId = "";

    $website = (Get-Website $siteOrAppName);
    if ($null -ne $website) {
        $physicalPath = $website.PhysicalPath.TrimEnd("\") + "\";
        $siteId = $website.id;
    } else {
        #This part does not work as expected just yet
        $appPool = (Get-WebApplication $siteOrAppName);
        if ($null -eq $appPool) {
            Write-Warning "could not match to any site or apppool for $siteOrAppName"
            return "";
        } else {
            $sitename = $appPool.GetParentElement().attributes["name"].Value;
            $website = (Get-Website $sitename);
            if ($null -ne $website) {
                $physicalPath = $website.PhysicalPath.TrimEnd("\") + "\";
                $siteId = $website.id;
                $rootOrAppName = $siteOrAppName
            } else {
                Write-Warning "Could not find the site for $siteOrAppName";
                return "";
            }
        }
    }

    $tempFilePath = "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\$rootOrAppName\" + [AlkamiHashCode]::GetDirectoryName($siteid, $rootOrAppName, $physicalPath);
    return $tempFilePath
}