php return image from link if not have in server (help download image from server to dev environment)

.htaccess

RewriteEngine On
ErrorDocument 404 /public/404.php

404.php

<?php
//http://localhost:90/website1/public/menuActiveArrow.png
//https://www.tumlumlink.com/public/menuActiveArrow.png


$request_url = $_SERVER['REQUEST_URI'];

$character = '/public/';
if (strpos($request_url, $character) !== false) {
    $bodytag = str_replace($character, "", $request_url);
    //http://localhost:90/website1/public/menuActiveArrow.png
    $file = 'https://www.tumlumlink.com/public/' . $bodytag;
 
    return_image_content($file, $bodytag);
}

function return_image_content($file_out, $bodytag)
{
    $ch = curl_init();

    // set URL and other appropriate options
    curl_setopt($ch, CURLOPT_URL, $file_out);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

    // grab URL and pass it to the browser
    $urlContent = curl_exec($ch);
    if (!curl_errno($ch)) {
        $info = curl_getinfo($ch);
        header('Content-Type: '.$info['content_type']);
        echo $urlContent;
    }

    $page_directory = dirname($bodytag);
    if (!file_exists($page_directory)) {
        mkdir($page_directory);
    }

    // var_dump($page_directory);die;
    file_put_contents($bodytag, $urlContent);
    curl_close($ch);

    die;
}