<?php

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/**

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* Class for Admin Upgrades

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*

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* @package PUM

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* @copyright Copyright (c) 2023, Code Atlantic LLC

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*/

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// Exit if accessed directly

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/**

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* Class PUM_Upgrades

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*/

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class PUM_Admin_Upgrades {

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/**

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* @var PUM_Admin_Upgrades The one true PUM_Admin_Upgrades

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*/

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private static $instance;

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/**

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* @var $upgrade_args

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*/

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public $upgrade_args = [];

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public $page = null;

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public $doing_upgrades = false;

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public $required_cap = 'manage_options';

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public $current_routine = null;

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public $next_routine = null;

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/**

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* Initialize the actions needed to process upgrades.

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*/

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public static function instance() {

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if ( ! isset( self::$instance ) && ! ( self::$instance instanceof PUM_Admin_Upgrades ) ) {

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self::$instance = new PUM_Admin_Upgrades();

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self::$instance->init();

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}

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return self::$instance;

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}

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/**

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* Initialize the actions needed to process upgrades.

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*/

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public function init() {

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$this->update_plugin_version();

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$this->required_cap = apply_filters( 'pum_upgrade_required_cap', 'manage_options' );

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// bail if this plugin data doesn't need updating

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if ( pum_get_db_ver() >= Popup_Maker::$DB_VER ) {

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return;

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}

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add_action( 'admin_menu', [ $this, 'register_pages' ] );

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add_action( 'network_admin_menu', [ $this, 'register_pages' ] );

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add_action( 'admin_init', [ $this, 'process_upgrade_args' ] );

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add_action( 'wp_ajax_pum_trigger_upgrades', [ $this, 'trigger_upgrades' ] );

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add_action( 'admin_notices', [ $this, 'show_upgrade_notices' ] );

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}

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public function update_plugin_version() {

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$current_ver = get_option( 'pum_ver', false );

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if ( ! $current_ver ) {

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$deprecated_ver = get_site_option( 'popmake_version', false );

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$current_ver = $deprecated_ver ? $deprecated_ver : Popup_Maker::$VER;

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add_option( 'pum_ver', Popup_Maker::$VER );

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}

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if ( version_compare( $current_ver, Popup_Maker::$VER, '<' ) ) {

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// Save Upgraded From option

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update_option( 'pum_ver_upgraded_from', $current_ver );

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update_option( 'pum_ver', Popup_Maker::$VER );

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}

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}

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/**

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* Registers the pum-upgrades admin page.

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*/

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public function register_pages() {

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global $pum_upgrades_page;

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$parent = null;

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/*

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if ( function_exists( 'is_network_admin' ) && is_network_admin() ) {

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add_menu_page(

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__( 'Popup Maker', 'popup-maker' ),

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__( 'Popup Maker', 'popup-maker' ),

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'manage_network_plugins',

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'popup-maker',

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'',

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pum_get_svg_icon( true )

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);

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$parent = 'popup-maker';

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}

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*/

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$this->page = add_submenu_page(

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$parent,

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__( 'Popup Maker Upgrades', 'popup-maker' ),

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__( 'Popup Maker Upgrades', 'popup-maker' ),

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$this->required_cap,

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'pum-upgrades',

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[ $this, 'upgrades_screen' ]

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);

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$pum_upgrades_page = $this->page;

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}

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/**

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* Process upgrade args.

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*/

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public function process_upgrade_args() {

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$page = isset( $_GET['page'] ) ? $_GET['page'] : '';

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if ( ! ( defined( 'DOING_AJAX' ) && DOING_AJAX && 'pum_trigger_upgrades' === $_REQUEST['action'] ) && 'pum-upgrades' !== $page ) {

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return;

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}

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$this->doing_upgrades = true;

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$action = isset( $_REQUEST['pum-upgrade'] ) ? sanitize_text_field( $_REQUEST['pum-upgrade'] ) : $this->get_pum_db_ver() + 1;

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$step = isset( $_REQUEST['step'] ) ? absint( $_REQUEST['step'] ) : 1;

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$total = isset( $_REQUEST['total'] ) ? absint( $_REQUEST['total'] ) : false;

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$custom = isset( $_REQUEST['custom'] ) ? absint( $_REQUEST['custom'] ) : 0;

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$number = isset( $_REQUEST['number'] ) ? absint( $_REQUEST['number'] ) : 100;

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$completed = isset( $_REQUEST['completed'] ) ? absint( $_REQUEST['completed'] ) : false;

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$steps = ceil( $total / $number );

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if ( $step > $steps ) {

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// Prevent a weird case where the estimate was off. Usually only a couple.

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$steps = $step;

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}

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$this->upgrade_args = [

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'page' => 'pum-upgrades',

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'pum-upgrade' => $action,

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'step' => $step,

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'total' => $total,

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'custom' => $custom,

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'steps' => $steps,

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'number' => $number,

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'completed' => $completed,

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];

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update_option( 'pum_doing_upgrade', $this->upgrade_args );

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}

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/**

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* Get upgrade arg.

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*

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* @param string $key

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*

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* @return bool|null

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*/

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public function set_arg( $key, $value = null ) {

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$this->upgrade_args[ $key ] = $value;

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if ( 'number' === $key || 'total' === $key ) {

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$this->upgrade_args['steps'] = ceil( $this->upgrade_args['total'] / $this->upgrade_args['number'] );

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}

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if ( $this->upgrade_args['step'] > $this->upgrade_args['steps'] ) {

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// Prevent a weird case where the estimate was off. Usually only a couple.

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$this->upgrade_args['steps'] = $this->upgrade_args['step'];

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} elseif ( $this->upgrade_args['step'] * $this->upgrade_args['steps'] ) {

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update_option( 'pum_doing_upgrade', $this->upgrade_args );

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}

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}

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/**

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* Get upgrade arg.

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*

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* @param string $key

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*

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* @return bool|null

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*/

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public function get_arg( $key = null ) {

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if ( ! $key ) {

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return null;

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}

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if ( ! isset( $this->upgrade_args[ $key ] ) ) {

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return false;

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}

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return $this->upgrade_args[ $key ];

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}

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public function get_args() {

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return $this->upgrade_args;

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}

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public function doing_upgrades() {

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return $this->doing_upgrades;

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}

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/**

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* Display Upgrade Notices

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*

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* @return void

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*/

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public function show_upgrade_notices() {

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$screen = get_current_screen();

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if ( $screen->id === $this->page ) {

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return; // Don't show notices on the upgrades page

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}

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if ( ! $this->has_upgrades() ) {

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return;

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}

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// Sequential Orders was the first stepped upgrade, so check if we have a stalled upgrade

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$resume_upgrade = $this->maybe_resume_upgrade();

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if ( ! empty( $resume_upgrade ) ) {

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$resume_url = add_query_arg( $resume_upgrade, admin_url( 'index.php' ) );

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printf(

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'<div class="error"><p>' . __( 'Popup Maker needs to complete a database upgrade that was previously started, click <a href="%s">here</a> to resume the upgrade.', 'popup-maker' ) . '</p></div>',

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esc_url( $resume_url )

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);

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} else {

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printf(

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'<div class="error"><p><strong>%s:</strong> <span class="dashicons dashicons-warning" style="color: #dc3232;"></span> %s %s %s</p></div>',

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__( 'Popup Maker', 'popup-maker' ),

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__( 'Important', 'popup-maker' ),

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__( 'Database upgrades required.', 'popup-maker' ),

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sprintf(

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__( 'Please click %1$shere%2$s to complete these changes now.', 'popup-maker' ),

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'<a href="' . esc_url( admin_url( 'options.php?page=pum-upgrades' ) ) . '">',

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'</a>'

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)

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);

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}

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}

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/**

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* Triggers all upgrade functions

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*

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* This function is usually triggered via AJAX

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*

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* @return void

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*/

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public function trigger_upgrades() {

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if ( ! current_user_can( $this->required_cap ) ) {

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wp_die( __( 'You do not have permission to do upgrades', 'popup-maker' ), __( 'Error', 'popup-maker' ), [ 'response' => 403 ] );

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}

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$deprecated_ver = get_site_option( 'popmake_version', false );

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$current_ver = get_option( 'pum_ver', $deprecated_ver );

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// Save Upgraded From option

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if ( $current_ver ) {

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update_option( 'pum_ver_upgraded_from', $current_ver );

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}

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update_option( 'pum_ver', Popup_Maker::$VER );

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// Process DB Upgrades

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$this->process_upgrades();

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if ( DOING_AJAX ) {

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echo wp_json_encode(

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[

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'complete' => true,

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'status' => sprintf(

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'<strong>%s</strong><br/>%s',

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__( 'Upgrades have been completed successfully.', 'popup-maker' ),

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sprintf( 'You will automatically be redirected in %s seconds', '<span id="pum-countdown">5</span>' )

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),

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'redirect' => admin_url( 'edit.php?post_type=popup' ),

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'countdown' => 5000,

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]

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); // Let AJAX know that the upgrade is complete

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exit;

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}

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}

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/**

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* Updates the pum_db_ver to the passed $version.

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*

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* If no $version is passed a default value will be established.

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*

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* @param null $version

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*/

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public function set_pum_db_ver( $version = null ) {

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if ( $version ) {

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$version = preg_replace( '/[^0-9.].*/', '', $version );

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update_option( 'pum_db_ver', $version );

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return;

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}

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$upgraded_from = get_option( 'pum_ver_upgraded_from', false );

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// this is the current database schema version number

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$current_db_ver = pum_get_db_ver();

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// If no current db version, but prior install detected, set db version correctly.

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if ( ! $current_db_ver ) {

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if ( $upgraded_from ) {

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if ( version_compare( $upgraded_from, '1.3.0', '<' ) ) {

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$current_db_ver = 1;

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} else {

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$current_db_ver = 2;

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}

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} else {

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$current_db_ver = Popup_Maker::$DB_VER;

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}

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add_option( 'pum_db_ver', $current_db_ver );

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}

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}

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/**

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* Gets the pum_db_ver or sets and returns the correct one.

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*

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* @see PUM_Utils_Upgrades::set_pum_db_ver()

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*

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* return $pum_db_ver

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*/

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public function get_pum_db_ver() {

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static $pum_db_ver;

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if ( ! isset( $pum_db_ver ) ) {

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// this is the current database schema version number

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$pum_db_ver = pum_get_db_ver();

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}

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if ( ! $pum_db_ver ) {

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$this->set_pum_db_ver();

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$pum_db_ver = pum_get_db_ver();

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}

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return preg_replace( '/[^0-9.].*/', '', $pum_db_ver );

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}

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/**

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* Process upgrades in a stepped succession.

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*

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* Starts with the current version and loops until reaching the target version.

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*/

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public function process_upgrades() {

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// this is the target version that we need to reach

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$target_db_ver = Popup_Maker::$DB_VER;

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// this is the current database schema version number

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$current_db_ver = $this->get_pum_db_ver();

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// Run upgrade routine until target version reached.

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while ( $current_db_ver < $target_db_ver ) {

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// increment the current db_ver by one

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$current_db_ver ++;

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$this->current_routine = $current_db_ver;

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$this->next_routine = $current_db_ver === $target_db_ver ? null : $current_db_ver + 1;

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if ( file_exists( POPMAKE_DIR . "includes/admin/upgrades/class-pum-admin-upgrade-routine-{$current_db_ver}.php" ) ) {

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require_once POPMAKE_DIR . "includes/admin/upgrades/class-pum-admin-upgrade-routine-{$current_db_ver}.php";

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$func = "PUM_Admin_Upgrade_Routine_{$current_db_ver}::run";

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if ( is_callable( $func ) ) {

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call_user_func( $func );

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}

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}

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}

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}

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public function current_routine() {

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return $this->current_routine;

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}

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public function next_routine() {

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return $this->next_routine;

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}

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/**

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* Process upgrades in a stepped succession.

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*

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* Starts with the current version and loops until reaching the target version.

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*/

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public function get_upgrades() {

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// this is the target version that we need to reach

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$target_db_ver = Popup_Maker::$DB_VER;

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// this is the current database schema version number

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$current_db_ver = $this->get_pum_db_ver();

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$upgrades = [];

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// Run upgrade routine until target version reached.

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while ( $current_db_ver < $target_db_ver ) {

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// increment the current db_ver by one

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$current_db_ver ++;

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if ( file_exists( POPMAKE_DIR . "includes/admin/upgrades/class-pum-admin-upgrade-routine-{$current_db_ver}.php" ) ) {

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require_once POPMAKE_DIR . "includes/admin/upgrades/class-pum-admin-upgrade-routine-{$current_db_ver}.php";

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$func = "PUM_Admin_Upgrade_Routine_{$current_db_ver}::description";

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if ( is_callable( $func ) ) {

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$upgrades[ $current_db_ver ] = call_user_func( $func );

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}

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}

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}

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return $upgrades;

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}

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public function get_upgrade( $version = null ) {

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$upgrades = $this->get_upgrades();

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if ( isset( $upgrades[ $version ] ) ) {

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return $upgrades[ $version ];

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} else {

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return false;

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}

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}

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/**

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* Returns true if there are unprocessed upgrades.

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*

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* @return bool

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*/

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public function has_upgrades() {

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return boolval( count( $this->get_upgrades() ) );

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}

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/**

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* For use when doing 'stepped' upgrade routines, to see if we need to start somewhere in the middle

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*

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* @return mixed When nothing to resume returns false, otherwise starts the upgrade where it left off

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*/

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public function maybe_resume_upgrade() {

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$doing_upgrade = get_option( 'pum_doing_upgrade', false );

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if ( empty( $doing_upgrade ) ) {

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return false;

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}

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return $doing_upgrade;

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}

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/**

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* Adds an upgrade action to the completed upgrades array

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*

[485] Fix | Delete

* @param string $upgrade_action The action to add to the competed upgrades array

[486] Fix | Delete

*

[487] Fix | Delete

* @return bool If the function was successfully added

[488] Fix | Delete

*/

[489] Fix | Delete

public function set_upgrade_complete( $upgrade_action = '' ) {

[490] Fix | Delete

[491] Fix | Delete

if ( empty( $upgrade_action ) ) {

[492] Fix | Delete

return false;

[493] Fix | Delete

}

[494] Fix | Delete

[495] Fix | Delete

$completed_upgrades = $this->get_completed_upgrades();

[496] Fix | Delete

$completed_upgrades[] = $upgrade_action;

[497] Fix | Delete

[498] Fix | Delete

// Remove any blanks, and only show uniques

[499] Fix | Delete