编辑文件 - class-avada-upgrade.php

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<?php
/**
 * Handles upgrades.
 *
 * @author ThemeFusion
 * @copyright (c) Copyright by ThemeFusion
 * @link https://theme-fusion.com
 * @package Avada
 * @subpackage Core
 */

// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
	exit( 'Direct script access denied.' );
}

/**
 * Handle upgrades.
 */
class Avada_Upgrade {

/**
	 * Instance.
	 *
	 * @static
	 * @access public
	 * @var null|object
	 */
	public static $instance = null;

/**
	 * The theme version as stored in the db.
	 *
	 * @access private
	 * @var string
	 */
	private $database_theme_version;

/**
	 * An array of previous versions.
	 *
	 * @access private
	 * @var array
	 */
	private $previous_theme_versions;

/**
	 * The previouis version.
	 *
	 * @access private
	 * @var string
	 */
	private $previous_theme_version;

/**
	 * The current version.
	 *
	 * @access private
	 * @var string
	 */
	private $current_theme_version;

/**
	 * An array of all avada options.
	 *
	 * @access private
	 * @var array
	 */
	private $avada_options;

/**
	 * The current User object.
	 *
	 * @access private
	 * @var object
	 */
	private $current_user;

/**
	 * An array of all the already upgraded options.
	 *
	 * @access private
	 * @var array
	 */
	private static $upgraded_options = [];

/**
	 * Constructor.
	 *
	 * @access private
	 */
	protected function __construct() {

$this->previous_theme_versions = get_option( 'avada_previous_version', [] );
		// Previous version only really needed, because through the upgrade loop, the database_theme_version will be altered.
		$this->previous_theme_version = $this->get_previous_theme_version();
		$this->database_theme_version = get_option( 'avada_version', false );
		$this->database_theme_version = Avada_Helper::normalize_version( $this->database_theme_version );
		$this->current_theme_version  = Avada::get_theme_version();
		$this->current_theme_version  = Avada_Helper::normalize_version( $this->current_theme_version );

// Check through all options names that were available for Global Options in databse.
		$theme_options = get_option( Avada::get_option_name(), get_option( 'avada_theme_options', get_option( 'Avada_options', false ) ) );

// If no old version is in database or there are no saved options,
		// this is a new install, nothing to do, but to copy version to db.
		if ( false === $this->database_theme_version || ! $theme_options ) {
			$this->fresh_installation();
			return;

// If on front-end and user intervention necessary, do not continue.
		} elseif ( ! is_admin() && version_compare( $this->database_theme_version, '5.0.1', '<' ) ) {
			return;
		}

// Each version is defined as an array( 'Version', 'Force-Instantiation' ).
		$versions = [
			'385' => [ '3.8.5', false ],
			'387' => [ '3.8.7', false ],
			'390' => [ '3.9.0', false ],
			'392' => [ '3.9.2', false ],
			'400' => [ '4.0.0', true ],
			'402' => [ '4.0.2', false ],
			'403' => [ '4.0.3', false ],
			'500' => [ '5.0.0', true ],
			'503' => [ '5.0.3', false ],
			'510' => [ '5.1.0', false ],
			'516' => [ '5.1.6', false ],
			'520' => [ '5.2.0', false ],
			'521' => [ '5.2.1', false ],
			'530' => [ '5.3.0', false ],
			'540' => [ '5.4.0', false ],
			'541' => [ '5.4.1', false ],
			'542' => [ '5.4.2', false ],
			'550' => [ '5.5.0', false ],
			'551' => [ '5.5.1', false ],
			'552' => [ '5.5.2', false ],
			'560' => [ '5.6.0', false ],
			'561' => [ '5.6.1', false ],
			'562' => [ '5.6.2', false ],
			'570' => [ '5.7.0', false ],
			'571' => [ '5.7.1', false ],
			'572' => [ '5.7.2', false ],
			'580' => [ '5.8.0', false ],
			'581' => [ '5.8.1', false ],
			'582' => [ '5.8.2', false ],
			'590' => [ '5.9.0', false ],
			'591' => [ '5.9.1', false ],
			'592' => [ '5.9.2', false ],
			'600' => [ '6.0.0', false ],
			'601' => [ '6.0.1', false ],
			'602' => [ '6.0.2', false ],
			'603' => [ '6.0.3', false ],
			'610' => [ '6.1.0', false ],
			'611' => [ '6.1.1', false ],
			'612' => [ '6.1.2', false ],
			'620' => [ '6.2.0', false ],
			'621' => [ '6.2.1', false ],
			'622' => [ '6.2.2', false ],
			'623' => [ '6.2.3', false ],
			'700' => [ '7.0.0', false ],
			'701' => [ '7.0.1', false ],
			'702' => [ '7.0.2', false ],
			'710' => [ '7.1.0', false ],
			'711' => [ '7.1.1', false ],
			'712' => [ '7.1.2', false ],
			'720' => [ '7.2.0', false ],
			'721' => [ '7.2.1', false ],
			'730' => [ '7.3.0', false ],
			'731' => [ '7.3.1', false ],
			'740' => [ '7.4.0', false ],
			'741' => [ '7.4.1', false ],
			'750' => [ '7.5.0', false ],
			'760' => [ '7.6.0', false ],
			'761' => [ '7.6.1', false ],
		];

$upgraded = false;
		foreach ( $versions as $key => $version ) {

$classname = 'Avada_Upgrade_' . $key;

if ( $this->database_theme_version && version_compare( $this->database_theme_version, $version[0], '<' ) ) {
				$upgraded = true;
				// Instantiate the class if migration is needed.
				if ( class_exists( $classname ) ) {
					new $classname();
				}
			} elseif ( true === $version[1] ) {
				// Instantiate the class if force-instantiation is set to true.
				if ( class_exists( $classname ) ) {
					new $classname( true );
				}
			}
		}

// Manual migration rerun.
		if ( is_admin() && current_user_can( 'switch_themes' ) && isset( $_GET['migrate'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
			$classname = 'Avada_Upgrade_' . str_replace( '.', '', Avada_Helper::normalize_version( sanitize_text_field( wp_unslash( $_GET['migrate'] ) ) ) ); // phpcs:ignore WordPress.Security.NonceVerification

if ( class_exists( $classname ) ) {
				new $classname( true );
			}
		}

if ( true === $upgraded ) {
			// Reset all Fusion caches.
			if ( ! class_exists( 'Fusion_Cache' ) ) {
				include_once Avada::$template_dir_path . '/includes/lib/inc/class-fusion-cache.php';
			}

$fusion_cache = new Fusion_Cache();
			$fusion_cache->reset_all_caches();
		}

/**
		 * Don't do anything when in the Customizer.
		 */
		global $wp_customize;
		if ( $wp_customize ) {
			return;
		}

add_action( 'init', [ $this, 'update_installation' ] );

}

/**
	 * Make sure there's only 1 instance of this class running.
	 *
	 * @static
	 * @access public
	 * @return object
	 */
	public static function get_instance() {
		if ( null === self::$instance ) {
			self::$instance = new Avada_Upgrade();
		}
		return self::$instance;
	}

/**
	 * Get the previous theme version from database.
	 *
	 * @access public
	 * @return string The previous theme version.
	 */
	public function get_previous_theme_version() {
		if ( is_array( $this->previous_theme_versions ) && ! empty( $this->previous_theme_versions ) ) {
			$this->previous_theme_version = end( $this->previous_theme_versions );
			reset( $this->previous_theme_versions );
		} else {
			$this->previous_theme_version = $this->previous_theme_versions;
		}

// Make sure the theme version has 3 digits.
		return Avada_Helper::normalize_version( $this->previous_theme_version );
	}

/**
	 * Actions to run on a fresh installation.
	 */
	public function fresh_installation() {
		update_option( 'avada_version', $this->current_theme_version );
		$this->clear_update_theme_transient();
	}

/**
	 * Clear update_themes transient after update. Fix for #5048.
	 */
	public function clear_update_theme_transient() {
		delete_site_transient( 'update_themes' );
		delete_transient( 'avada_premium_plugins_info' );
		delete_site_transient( 'avada_premium_plugins_info' );
		Avada::$bundled_plugins = [];
	}

/**
	 * Actions to run on an update installation.
	 *
	 * @param  bool $skip400 Skips the migration to 4.0 if set to true.
	 */
	public function update_installation( $skip400 = false ) {
		global $current_user;

$this->current_user = $current_user;

$this->debug();

if ( version_compare( $this->current_theme_version, $this->database_theme_version, '>' ) ) {
			// Delete the update notice dismiss flag, so that the flag is reset.
			if ( ! $skip400 ) {
				delete_user_meta( $this->current_user->ID, 'avada_pre_385_notice' );
				delete_user_meta( $this->current_user->ID, 'avada_update_notice' );

// Delete the TGMPA update notice dismiss flag, so that the flag is reset.
				delete_user_meta( $this->current_user->ID, 'tgmpa_dismissed_notice_tgmpa' );
			}

$this->update_version();

}

// Hook the dismiss notice functionality.
		if ( ! $skip400 ) {
			add_action( 'admin_init', [ $this, 'notices_action' ] );
		}

// Show upgrade notices.
		if ( version_compare( $this->current_theme_version, '5.1.0', '<=' ) ) {
			add_action( 'admin_notices', [ $this, 'upgrade_notice' ] );
		}
	}

/**
	 * Update the avada version in the database and reset flags.
	 */
	public function update_version() {
		if ( version_compare( $this->current_theme_version, $this->database_theme_version, '>' ) ) {
			// Update the stored theme versions.
			update_option( 'avada_version', $this->current_theme_version );
			$this->clear_update_theme_transient();

if ( $this->previous_theme_versions ) {
				if ( is_array( $this->previous_theme_versions ) ) {
					$versions_array   = $this->previous_theme_versions;
					$versions_array[] = $this->database_theme_version;
				} else {
					$versions_array = [
						$this->previous_theme_versions,
					];
				}
			} else {
				$versions_array = [
					$this->database_theme_version,
				];
			}

update_option( 'avada_previous_version', $versions_array );
		}
	}

/**
	 * Notices that will show to users that upgrade
	 */
	public function upgrade_notice() {
		/* Check that the user hasn't already clicked to ignore the message */
		if ( $this->previous_theme_version && current_user_can( 'switch_themes' ) && ! get_user_meta( $this->current_user->ID, 'avada_update_notice', true ) ) {
			echo '<div class="avada-db-card avada-db-notice updated error fusion-upgrade-notices">';
			if ( version_compare( $this->previous_theme_version, '3.8.5', '<' ) ) {
				?>
				The following important changes were made to Avada 3.8.5:
				<ol>
					<li>CHANGED: Sidebar, Footer and Sliding Bar widget title HTML tag is changed from h3 to h4 for SEO improvements.</li>
					<li>DEPRECATED: Icon Flip shortcode option was deprecated from flip boxes, content boxes and fontawesome shortcode. Alternatively, you can use the icon rotate option.</li>
				</ol>
				<?php
			}
			if ( version_compare( $this->previous_theme_version, '3.8.6', '<' ) ) {
				?>
				The following important changes were made to Avada 3.8.6:
				<ol>
					<li>DEPRECATED: Fixed Mode for iPad will be deprecated in Avada 3.8.7. Fixed Mode will be moved into a plugin.</li>
					<li>CHANGED: Titles for "Related Posts" and "Comments" on single post page are changed from H2 to H3 for SEO improvements.</li>
				</ol>
				<?php
			}
			if ( version_compare( $this->previous_theme_version, '3.8.7', '<' ) ) {
				?>
				The following important changes were made to Avada 3.8.7:
				<ol>
					<li>REMOVED: Fixed Mode for iPad is removed as a global option. Fixed Mode is moved into a free plugin. <a href="https://theme-fusion.com/documentation/avada/fixed-mode-for-ipad-portrait/" target="_blank" rel="noopener noreferrer">Download</a>.</li>
					<li>CHANGED: The left/right padding for the 100% Width Page Template &amp; 100% Full Width Container Now Applies To Mobile.</li>
					<li>CHANGED: Global Options > Header Content Options > Side Header Responsive Breakpoint was replaced by Mobile Header Responsive Breakpoint. It can now be used to control the side header breakpoint as well as the mobile header break point for top headers.</li>
					<li>CHANGED: Global Options > Menu Options > Menu Text Align will be followed by header 5. If your menu is no longer in center, please use that option to change the position of the menu.</li>
					<li>CHANGED: Global Options > Search Page > Search Field Height was removed and combined with the new Form Input and Select Height option in the Extra tab. All form inputs and selects can be controlled with the new option.</li>
				</ol>
				<?php
			}
			if ( version_compare( $this->previous_theme_version, '3.9.0', '<' ) ) {
				?>
				The following important changes were made to Avada 3.9:
				<ol>
					<li>CHANGED: The woo cart / my account dropdown width is now controlled by the dropdown width global option for main and top menu.</li>
					<li>CHANGED: The footer center option now allows each column to be fully centered.</li>
				</ol>
				<?php
			}
			if ( version_compare( $this->previous_theme_version, '5.1.0', '<' ) ) {
				?>
				Please view the important update information for Avada 5.1:

You can view all update information here: <a href="https://theme-fusion.com/documentation/avada/install-update/important-update-information/" target="_blank" rel="noopener noreferrer">Important Update Information</a>
				<?php
			}
			?>
			
				
					<a href="https://theme-fusion.com/avada-documentation/changelog.txt" class="view-changelog button-primary" style="margin-top:1em;" target="_blank" rel="noopener noreferrer"><?php esc_attr_e( 'View Changelog', 'Avada' ); ?></a>
					<a href="<?php echo esc_url( add_query_arg( 'avada_update_notice', '1' ) ); ?>" class="dismiss-notice button-secondary" style="margin:1em 4px 0 4px;"><?php esc_attr_e( 'Dismiss this notice', 'Avada' ); ?></a>
				
			
			</div>
			<?php
		}
	}

/**
	 * Action to take when user clicks on notices button.
	 */
	public function notices_action() {
		// Set update notice dismissal, so that the notice is no longer shown.
		if ( isset( $_GET['avada_update_notice'] ) && sanitize_key( wp_unslash( $_GET['avada_update_notice'] ) ) ) { // phpcs:ignore WordPress.Security.NonceVerification
			add_user_meta( $this->current_user->ID, 'avada_update_notice', '1', true );
		}
	}

/**
	 * Debug helper.
	 *
	 * @param  string $setting The setting we're changing.
	 * @param  string $old_value The old value.
	 * @param  string $new_value The new value.
	 */
	private static function upgraded_options_row( $setting = '', $old_value = '', $new_value = '' ) {
		if ( defined( 'WP_DEBUG' ) && WP_DEBUG && $old_value !== $new_value && '' != $setting ) { // phpcs:ignore WordPress.PHP.StrictComparisons
			self::$upgraded_options[ $setting ] = [
				'old' => $old_value,
				'new' => $new_value,
			];
		}
	}

/**
	 * Clears the twitter widget transients of the "old" style twitter widgets.
	 *
	 * @since 4.0.0
	 *
	 * @retun void
	 */
	protected static function clear_twitter_widget_transients() {
		global $wpdb;
		$tweet_transients = $wpdb->get_results( "SELECT option_name AS name, option_value AS value FROM $wpdb->options WHERE option_name LIKE '_transient_list_tweets_%'" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery

foreach ( $tweet_transients as $tweet_transient ) {
			delete_transient( str_replace( '_transient_', '', $tweet_transient->name ) );
		}
	}

/**
	 * Debug helper.
	 *
	 * @param bool $debug_mode Turn debug on/off.
	 */
	private function debug( $debug_mode = false ) {
		if ( $debug_mode ) {
			global $current_user;

delete_user_meta( $current_user->ID, 'avada_update_notice' );
			delete_option( 'avada_version' );
			update_option( 'avada_version', '5.1' );
			delete_option( 'avada_previous_version' );
			delete_option( Avada::get_option_name() );

var_dump( 'Current Version: ' . Avada::$version ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_dump
			var_dump( 'DB Version: ' . get_option( 'avada_version', false ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_dump
			var_dump( 'Previous Version: ' . get_option( 'avada_previous_version', [] ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_dump
			var_dump( 'Update Notice: ' . get_user_meta( $current_user->ID, 'avada_update_notice', true ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_dump
		}
	}
}

/* Omit closing PHP tag to avoid "Headers already sent" issues. */

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