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Result:

https://4-grant.eu/
Array
(
    [url] => https://4-grant.eu/
    [content_type] => 
    [http_code] => 0
    [header_size] => 0
    [request_size] => 0
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 0.06093
    [namelookup_time] => 0.060778
    [connect_time] => 0
    [pretransfer_time] => 0
    [size_upload] => 0
    [size_download] => 0
    [speed_download] => 0
    [speed_upload] => 0
    [download_content_length] => -1
    [upload_content_length] => -1
    [starttransfer_time] => 0
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 
    [certinfo] => Array
        (
        )

    [primary_port] => 0
    [local_ip] => 
    [local_port] => 0
    [http_version] => 0
    [protocol] => 0
    [ssl_verifyresult] => 0
    [scheme] => 
    [error] => Failed to connect to 4-grant.eu port 443: Connection refused
)

Fatal error: Uncaught Embed\Exceptions\InvalidUrlException: Failed to connect to 4-grant.eu port 443: Connection refused in /var/www/oscarotero.com/www/embed3/src/Embed.php:144 Stack trace: #0 /var/www/oscarotero.com/www/embed3/src/Embed.php(81): Embed\Embed::process(Object(Embed\Http\Url), Array, Object(Embed\Http\CurlDispatcher)) #1 /var/www/oscarotero.com/www/embed3/demo/index.php(216): Embed\Embed::create(Object(Embed\Http\Url), Array, Object(Embed\Http\CurlDispatcher)) #2 {main} thrown in /var/www/oscarotero.com/www/embed3/src/Embed.php on line 144