SharePoint Online: Loop Through All Subsites in a Site Collection using PowerShell

#Load SharePoint CSOM Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

#Variables for Processing
$SiteCollUrl = "https://crescent.sharepoint.com/sites/projects"
 
#Get Credentials to connect
$Cred= Get-Credential
$Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)
 
#Custom function to get all subsites in a given site collection
Function Get-SPOWebs($Url, $Credentials)
{
    #Set up the context
    $Context = New-Object Microsoft.SharePoint.Client.ClientContext($Url) 
    $Context.Credentials = $credentials

    $web = $Context.Web
    $Context.Load($web)
    $Context.Load($web.Webs)
    $Context.ExecuteQuery()

    #Do Something Here
    Write-host $Web.URL

    #Process Each subsite in current site
    ForEach($web in $web.Webs)
    {
        #call the function recursively
        Get-SPOWebs $web.Url $Credentials
    }
} 

#call the function                   
Get-SPOWebs $SiteCollUrl $Credentials

#Parameter
$SiteURL = "https://crescent.sharepoint.com/sites/projects"
 
Try {
    #Connect to PnP Online
    Connect-PnPOnline -Url $SiteURL -Interactive
  
    #Get all subsites in a SharePoint Online site
    $Subsites = Get-PnPSubWeb -Recurse -IncludeRootWeb
      
    #Iterate through each subsite
    ForEach($site in $Subsites)
    {
        Write-host $Site.Url
    }
}
catch {
    write-host "Error: $($_.Exception.Message)" -foregroundcolor Red
}