Send POST data with PHP

function sendPostData($url, $post = array()){
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_POSTFIELDS,http_build_query($post));
    return curl_exec($ch);
}