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<?php |
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/** |
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* Fired when the plugin is uninstalled. |
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* |
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* Uninstallation steps: |
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* + Check if plugin is called correcly |
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* + Check if user has the appropriate rights |
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* + Drop plugin tables (unless settings indicate not to) |
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* + Delete plugin options from $wpdb->options (unless settings indicate not to) |
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* |
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* For multisite installation steps 3 and 4 are performed for every blog. |
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* |
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* @package plugin |
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* @author Peter Schulz |
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* @since 1.0.0 |
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*/ |
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|
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if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { |
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exit(); |
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} |
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|
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if ( ! current_user_can( 'activate_plugins' ) ) { |
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exit(); |
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} |
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|
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/** |
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* Uninstall blog |
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* |
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* This functions is called when the plugin is uninstalled. The following actions are performed: |
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* + Drop plugin tables (unless settings indicate not to) |
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* + Delete plugin options from $wpdb->options (unless settings indicate not to) |
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* |
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* Actions are processed on the current blog and are repeated for every blog on a multisite installation. Must be |
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* called from the dashboard (WP_UNINSTALL_PLUGIN defined). User must have the proper privileges (activate_plugins). |
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* |
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* @author Peter Schulz |
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* @since 1.0.0 |
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*/ |
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function wpda_uninstall_blog() { |
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|
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global $wpdb; |
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|
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$drop_tables = get_option( 'wpda_uninstall_tables' ); |
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if ( ! $drop_tables || 'on' === $drop_tables ) { |
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// Drop repository. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpda_logging |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpda_menu_items |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpda_table_design |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpdp_project |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpdp_page |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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$wpdb->query( |
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" |
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DROP TABLE IF EXISTS |
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{$wpdb->prefix}wpdp_table |
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" |
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); // WPCS: unprepared SQL OK; db call ok; no-cache ok. |
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} |
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|
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$delete_options = get_option( 'wpda_uninstall_options' ); |
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if ( ! $delete_options || 'on' === $delete_options ) { |
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// Delete all options from wp_options. |
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$wpdb->query( |
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" |
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DELETE FROM {$wpdb->options} |
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WHERE option_name LIKE 'wpda_%' |
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" |
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); // db call ok; no-cache ok. |
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} |
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|
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} |
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|
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if ( is_multisite() ) { |
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|
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global $wpdb; |
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|
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// Uninstall plugin for alll blogs one by one (will fail silently for blogs having no plugin tables/options). |
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$blogids = $wpdb->get_col( "select blog_id from $wpdb->blogs" ); // db call ok; no-cache ok. |
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foreach ( $blogids as $blog_id ) { |
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|
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// Uninstall blog. |
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switch_to_blog( $blog_id ); |
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wpda_uninstall_blog(); |
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restore_current_blog(); |
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|
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} |
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} else { |
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|
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// Uninstall on single site installation. |
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wpda_uninstall_blog(); |
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|
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} |
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|
