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__( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ),

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PHP_VERSION,

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$requires_php

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);

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return new WP_Error( 'incompatible_php_required_version', $this->strings['incompatible_archive'], $error );

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}

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if ( ! is_wp_version_compatible( $requires_wp ) ) {

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$error = sprintf(

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/* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */

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__( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ),

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$wp_version,

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$requires_wp

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);

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return new WP_Error( 'incompatible_wp_required_version', $this->strings['incompatible_archive'], $error );

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}

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return $source;

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}

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/**

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* Retrieves the path to the file that contains the plugin info.

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* This isn't used internally in the class, but is called by the skins.

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* @since 2.8.0

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* @return string|false The full path to the main plugin file, or false.

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public function plugin_info() {

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if ( ! is_array( $this->result ) ) {

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return false;

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}

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if ( empty( $this->result['destination_name'] ) ) {

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return false;

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}

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// Ensure to pass with leading slash.

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$plugin = get_plugins( '/' . $this->result['destination_name'] );

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if ( empty( $plugin ) ) {

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return false;

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}

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// Assume the requested plugin is the first in the list.

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$pluginfiles = array_keys( $plugin );

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return $this->result['destination_name'] . '/' . $pluginfiles[0];

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}

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/**

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* Deactivates a plugin before it is upgraded.

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* Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade().

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* @since 2.8.0

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* @since 4.1.0 Added a return value.

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* @param bool|WP_Error $response The installation response before the installation has started.

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* @param array $plugin Plugin package arguments.

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* @return bool|WP_Error The original `$response` parameter or WP_Error.

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public function deactivate_plugin_before_upgrade( $response, $plugin ) {

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if ( is_wp_error( $response ) ) { // Bypass.

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return $response;

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}

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// When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it.

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if ( wp_doing_cron() ) {

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return $response;

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}

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$plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : '';

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if ( empty( $plugin ) ) {

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return new WP_Error( 'bad_request', $this->strings['bad_request'] );

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}

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if ( is_plugin_active( $plugin ) ) {

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// Deactivate the plugin silently, Prevent deactivation hooks from running.

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deactivate_plugins( $plugin, true );

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}

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return $response;

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}

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/**

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* Turns on maintenance mode before attempting to background update an active plugin.

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* Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade().

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* @since 5.4.0

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* @param bool|WP_Error $response The installation response before the installation has started.

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* @param array $plugin Plugin package arguments.

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* @return bool|WP_Error The original `$response` parameter or WP_Error.

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public function active_before( $response, $plugin ) {

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if ( is_wp_error( $response ) ) {

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return $response;

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}

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// Only enable maintenance mode when in cron (background update).

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if ( ! wp_doing_cron() ) {

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return $response;

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}

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$plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : '';

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// Only run if plugin is active.

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if ( ! is_plugin_active( $plugin ) ) {

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return $response;

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}

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// Change to maintenance mode. Bulk edit handles this separately.

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if ( ! $this->bulk ) {

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$this->maintenance_mode( true );

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}

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return $response;

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}

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/**

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* Turns off maintenance mode after upgrading an active plugin.

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* Hooked to the {@see 'upgrader_post_install'} filter by Plugin_Upgrader::upgrade().

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* @since 5.4.0

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* @param bool|WP_Error $response The installation response after the installation has finished.

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* @param array $plugin Plugin package arguments.

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* @return bool|WP_Error The original `$response` parameter or WP_Error.

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public function active_after( $response, $plugin ) {

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if ( is_wp_error( $response ) ) {

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return $response;

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}

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// Only disable maintenance mode when in cron (background update).

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if ( ! wp_doing_cron() ) {

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return $response;

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}

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$plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : '';

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// Only run if plugin is active.

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if ( ! is_plugin_active( $plugin ) ) {

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return $response;

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}

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// Time to remove maintenance mode. Bulk edit handles this separately.

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if ( ! $this->bulk ) {

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$this->maintenance_mode( false );

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}

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return $response;

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}

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/**

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* Deletes the old plugin during an upgrade.

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* Hooked to the {@see 'upgrader_clear_destination'} filter by

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* Plugin_Upgrader::upgrade() and Plugin_Upgrader::bulk_upgrade().

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* @since 2.8.0

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* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.

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* @param bool|WP_Error $removed Whether the destination was cleared.

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* True on success, WP_Error on failure.

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* @param string $local_destination The local package destination.

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* @param string $remote_destination The remote package destination.

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* @param array $plugin Extra arguments passed to hooked filters.

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* @return bool|WP_Error

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public function delete_old_plugin( $removed, $local_destination, $remote_destination, $plugin ) {

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global $wp_filesystem;

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if ( is_wp_error( $removed ) ) {

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return $removed; // Pass errors through.

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}

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$plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : '';

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if ( empty( $plugin ) ) {

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return new WP_Error( 'bad_request', $this->strings['bad_request'] );

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}

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$plugins_dir = $wp_filesystem->wp_plugins_dir();

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$this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin ) );

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if ( ! $wp_filesystem->exists( $this_plugin_dir ) ) { // If it's already vanished.

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return $removed;

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}

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* If plugin is in its own directory, recursively delete the directory.

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* Base check on if plugin includes directory separator AND that it's not the root plugin folder.

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if ( strpos( $plugin, '/' ) && $this_plugin_dir !== $plugins_dir ) {

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$deleted = $wp_filesystem->delete( $this_plugin_dir, true );

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} else {

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$deleted = $wp_filesystem->delete( $plugins_dir . $plugin );

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}

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if ( ! $deleted ) {

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return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] );

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}

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return true;

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}

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}

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