spinn_mit/system/addLike.php

<?php
require_once('data.php');
?>

<?php

  $db = dbVerbindungErzeugen();

  $id = $_GET["id"];
  $sql = "SELECT likes FROM idee WHERE id = $id";
 	$resultat = $db->query($sql);
 	$likeCount = $resultat ->fetchColumn();
  $likeCount += 1;


	echo ($likeCount);

  $sql = "UPDATE idee SET likes=? WHERE id=?";
 $stmt = $db->prepare($sql);
 $stmt->execute(array($likeCount, $id));


?>