getBlogElements.php

<?php
include "./lib/config.php";
include "./lib/mysql.php";

$position = $_GET['position'];

if($position == "index"){
    $limit = $homeMaxPost;
} else if($position == "footer"){
    $limit = $footerMaxPost;
} else {
    die("wrong parameter");
}
$responseJSON = [];

$result = $conn->query("SELECT * FROM posts order by id desc limit $limit");
if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        $blogElement = [
            "title" => $row["title"],
            "id" => $row["id"],
            "content" => $row["content"]
        ];

        array_push($responseJSON, $blogElement);
    }
}
header('Content-Type: application/json');
echo json_encode($responseJSON);