[Hustle] Fix Memory Size Error

wpmudev-hustle-fix-memory-size-error.php

<?php
/**
 * Plugin Name: [Hustle] Fix Memory Size Error
 * Plugin URI: https://wpmudev.com/
 * Description: When the site has a huge number of posts (or any other CPT as product for example) the queries used to get the items to be used on the wp_localize_script( 'optin_admin_scripts', 'optinVars', $optin_vars ) method generates a fatal error related to memory size. This plugin fix this temporally while a final solutions isn't implemented on the core of the Hustle plugin.
 * Author: Glauber Silva @ WPMUDEV
 * Author URI: https://wpmudev.com/
 * Task: SLS-3394 and SLS-3326
 * License: GPLv2 or later
 *
 * @package Hustle_Fix_Memory_Size_Error
 */

defined( 'ABSPATH' ) || exit;

function wpmudev_intercept_queries_in_hustle_pages( $query ) {

    $pages_to_check = array(
        'hustle_popup_listing',
        'hustle_popup',
        'hustle_slidein_listing',
        'hustle_slidein',
        'hustle_embedded_listing',
        'hustle_embedded',
        'hustle_sshare_listing',
        'hustle_sshare',
    );

    $post_types_to_intercept = array(
        'post',
        'product',
    );

    if ( is_admin() &&
        in_array( $_REQUEST['page'], $pages_to_check ) &&
        in_array( $query->query_vars['post_type'], $post_types_to_intercept ) &&
        -1 === $query->query_vars['numberposts'] ) {
        $query->set( 'posts_per_page', 0 );
    }
}
add_action( 'pre_get_posts', 'wpmudev_intercept_queries_in_hustle_pages' );