insert newsletter form in database

.gitignore

@@ -0,0 +1,2 @@
+/config/PRIVATE/*
+!/config/PRIVATE/*.example

config/PRIVATE/NEWSLETTER.php.example

@@ -1,6 +0,0 @@
-<?php
-
-$_ENV['newsletter_url_fr'] ='';
-$_ENV['newsletter_url_en'] ='';
-
-?>

php/newsletter.php

@@ -1,22 +1,15 @@
 <?php
-require_once $_SERVER['DOCUMENT_ROOT'].'/config/PRIVATE/NEWSLETTER.php';
+require_once $_SERVER['DOCUMENT_ROOT'].'/config/PRIVATE/DB.php';
 $lang_folder = $_GET['newsletter-language']=="fr"?"/pages/fr/":"/pages/en/";
-$contact_form_url = $_GET['newsletter-language']=="fr"?$_ENV['newsletter_url_fr']:$_ENV['newsletter_url_en'];
 
-if(!str_contains($_GET['newsletter-email'], "@") || !str_contains($_GET['newsletter-email'], ".") || strlen($_GET['newsletter-email']) < 6 || $_GET['newsletter-email-2'] != "") {
+if(!filter_var($_GET['newsletter-email'], FILTER_VALIDATE_EMAIL) || $_GET['newsletter-email-2'] != "") {
     header('Location: '.$lang_folder.'err/general.html');
     die();
 }
-$ch = curl_init($contact_form_url);
-curl_setopt($ch, CURLOPT_POSTFIELDS,  urlencode('email').'='.urlencode($_GET['newsletter-email']));
-curl_setopt($ch, CURLOPT_HEADER, 0);
-curl_setopt($ch, CURLOPT_POST, 1);
-curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
-curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
-curl_exec($ch);
-$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
-curl_close($ch);
-if($httpcode==200){
+
+$insert_email = $pdo->prepare('INSERT IGNORE INTO newsletter(email,language) VALUES (?,?)');
+$insert_email->execute(array($_GET['newsletter-email'],$_GET['newsletter-language']));
+if($insert_email->rowCount()==1){
     header('Location: '.$lang_folder.'confirmation.html');
     die();
 }