FVS-Social-Projekt-Neu/FVS-Social/follow/follow.php

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<?php
session_start();
include "../db_connect.php";
if(!isset($_SESSION['user_id']) || !isset($_POST['following_id'])){
header("location: ../index.php");
}
$follower_id = $_SESSION['user_id'];
$following_id = $_POST['following_id'];
$username = $_POST['username'];
if($following_id == $follower_id){
die("Geht nicht Amk");
}
try {
$stmt = $pdo->prepare("INSERT INTO followers (follower_id, following_id) VALUES (:follower_id, :following_id)");
$stmt->execute(['follower_id' => $follower_id, 'following_id' => $following_id]);
header("location: ../profile.php?user=".$username);
}
catch(PDOException $e){
echo $e->getMessage();
}