init

wp-content/mu-plugins/sqlite-database-integration/deactivate.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * Handle the SQLite deactivation.
+ *
+ * @since 1.0.0
+ * @package wp-sqlite-integration
+ */
+
+/**
+ * Delete the db.php file in wp-content.
+ *
+ * When the plugin gets merged in wp-core, this is not to be ported.
+ */
+function sqlite_plugin_remove_db_file() {
+	if ( ! defined( 'SQLITE_DB_DROPIN_VERSION' ) || ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
+		return;
+	}
+
+	global $wp_filesystem;
+
+	require_once ABSPATH . '/wp-admin/includes/file.php';
+
+	// Init the filesystem if needed, then delete custom drop-in.
+	if ( $wp_filesystem || WP_Filesystem() ) {
+		// Flush any persistent cache.
+		wp_cache_flush();
+		// Delete the drop-in.
+		$wp_filesystem->delete( WP_CONTENT_DIR . '/db.php' );
+		// Flush the cache again to mitigate a possible race condition.
+		wp_cache_flush();
+	}
+
+	// Run an action on `shutdown`, to deactivate the option in the MySQL database.
+	add_action(
+		'shutdown',
+		function () {
+			global $table_prefix;
+
+			// Get credentials for the MySQL database.
+			$dbuser     = defined( 'DB_USER' ) ? DB_USER : '';
+			$dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : '';
+			$dbname     = defined( 'DB_NAME' ) ? DB_NAME : '';
+			$dbhost     = defined( 'DB_HOST' ) ? DB_HOST : '';
+
+			// Init a connection to the MySQL database.
+			$wpdb_mysql = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost );
+			$wpdb_mysql->set_prefix( $table_prefix );
+
+			// Get the perflab options, remove the database/sqlite module and update the option.
+			$row = $wpdb_mysql->get_row( $wpdb_mysql->prepare( "SELECT option_value FROM $wpdb_mysql->options WHERE option_name = %s LIMIT 1", 'active_plugins' ) );
+			if ( is_object( $row ) ) {
+				$value = maybe_unserialize( $row->option_value );
+				if ( is_array( $value ) ) {
+					$value_flipped = array_flip( $value );
+					$items         = array_reverse( explode( DIRECTORY_SEPARATOR, SQLITE_MAIN_FILE ) );
+					$item          = $items[1] . DIRECTORY_SEPARATOR . $items[0];
+					unset( $value_flipped[ $item ] );
+					$value = array_flip( $value_flipped );
+					$wpdb_mysql->update( $wpdb_mysql->options, array( 'option_value' => maybe_serialize( $value ) ), array( 'option_name' => 'active_plugins' ) );
+				}
+			}
+		},
+		PHP_INT_MAX
+	);
+	// Flush any persistent cache.
+	wp_cache_flush();
+}
+register_deactivation_hook( SQLITE_MAIN_FILE, 'sqlite_plugin_remove_db_file' ); // Remove db.php file on plugin deactivation.