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curl_setopt ( $ch_curl, CURLOPT_HEADER, true);

function curl_post($url, $content)
{
    //echo $url;
    //echo $content;

    $str_url = $url;
    $str_post_data = $content;
    $ch_curl = curl_init ();
    curl_setopt ( $ch_curl, CURLOPT_TIMEOUT, 3 );
    curl_setopt ( $ch_curl, CURLOPT_HEADER, true);
    curl_setopt ( $ch_curl, CURLOPT_POST, 1 );
    curl_setopt ( $ch_curl, CURLOPT_RETURNTRANSFER, true );
    curl_setopt ( $ch_curl, CURLOPT_URL, $str_url );
    curl_setopt ( $ch_curl, CURLOPT_POSTFIELDS, $str_post_data );
    $str_return = curl_exec ( $ch_curl );
    
    if ($str_return === false)
        return false;
    curl_close ( $ch_curl );
    return $str_return;
}