old/application/views/network/user/user_posts_end.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
?>
<script>
    var offset = 0;
    var amount = 10;
    var firstRun = true;
    var itemsLeft = true;
    var running = false;

    loadEntries();

    function loadEntries() {
        if(!running && itemsLeft) {
            $.ajax({
                url: '/user/getPosts',
                data: {
                    user: <?= $data['ID'] ?>,
                    amount: amount,
                    offset: offset
                },
                beforeSend: function () {
                    $('.loading-spinner').show();
                    running = true;
                },
                success: function (data) {
                    console.log(data);
                    $('.loading-spinner').hide();
                    $('.post-container .comment-list').append(data);
                    offset++;
                    if (data === "") {
                        $('.post-container').append("<p>Es konnten keine weiteren Posts gefunden werden. Bitte schaue später nochmal vorbei!</p>");
                        itemsLeft = false;
                    }
                    firstRun = false;
                    running = false;
                    registerPostEvents();
                }
            });
        }
    }

    $(window).scroll(function() {
        if($(document).scrollTop() + 360 + $(window).height() >= $('.comment-list').position().top + $('.comment-list').outerHeight()) {
            loadEntries();
        }
    });
</script>