<?php

if (!isset($_POST['id_to_reset'])) {
    exit;
} else {
    $wp_memb_path = $_POST['plugin_path'];
    include $wp_memb_path . 'downloaders/classes/Class_SWPM_Download.php';
    $swpm_downloaders = new SWPMDownloaders();
    $id_to_reset = $_POST['id_to_reset'];
    if ($swpm_downloaders->resetDownload($id_to_reset)) {
        echo "TRUE";
    } else {
        echo "FALSE";
    }
}
<?php

if (!isset($_POST['id_to_delete'])) {
    exit;
} else {
    $wp_memb_path = $_POST['plugin_path'];
    include $wp_memb_path . 'downloaders/classes/Class_SWPM_Download.php';
    $swpm_downloaders = new SWPMDownloaders();
    $id_to_delete = $_POST['id_to_delete'];
    if ($swpm_downloaders->deleteDownload($id_to_delete)) {
        echo "TRUE";
    } else {
        echo "FALSE";
    }
}
<?php

wp_enqueue_script('jquery.data-tables', SIMPLE_WP_MEMBERSHIP_URL . '/js/data-tables.js');
wp_enqueue_style('style.data-tables', SIMPLE_WP_MEMBERSHIP_URL . '/css/data-tables.css');
wp_enqueue_script('downloaders', SIMPLE_WP_MEMBERSHIP_URL . '/downloaders/js/downloaders.js');
include_once SIMPLE_WP_MEMBERSHIP_PATH . 'downloaders/classes/Class_SWPM_Download.php';
$swpm_downloaders = new SWPMDownloaders();
$downloaders_array = $swpm_downloaders->getDownloaders();
include_once SIMPLE_WP_MEMBERSHIP_PATH . 'downloaders/views/view.php';
<?php

require_once $_SERVER['DOCUMENT_ROOT'] . '/wp-config.php';
include realpath(__DIR__ . '/..') . '/classes/Class_SWPM_Download.php';
$swpm_downloaders = new SWPMDownloaders();
if (!isset($_POST['new_limit'])) {
    exit;
} else {
    $new_limit = $_POST['new_limit'];
    if ($swpm_downloaders->updateDownloadLimit($new_limit)) {
        echo "TRUE";
    } else {
        echo "FALSE";
    }
}