upgrade_110()

Execute changes made in WordPress 1.2.


Source Source

File: wp-admin/includes/upgrade.php

	 * @global int  $wp_current_db_version The old (current) database version.
	 * @global int  $wp_db_version         The new database version.
	 * @global wpdb $wpdb                  WordPress database abstraction object.
	 */
	function wp_upgrade() {
		global $wp_current_db_version, $wp_db_version, $wpdb;

		$wp_current_db_version = __get_option( 'db_version' );

		// We are up to date. Nothing to do.
		if ( $wp_db_version == $wp_current_db_version ) {
			return;
		}

		if ( ! is_blog_installed() ) {
			return;
		}

		wp_check_mysql_version();
		wp_cache_flush();
		pre_schema_upgrade();
		make_db_current_silent();
		upgrade_all();
		if ( is_multisite() && is_main_site() ) {
			upgrade_network();
		}
		wp_cache_flush();

		if ( is_multisite() ) {
			update_site_meta( get_current_blog_id(), 'db_version', $wp_db_version );
			update_site_meta( get_current_blog_id(), 'db_last_updated', microtime() );
		}

		/**
		 * Fires after a site is fully upgraded.
		 *
		 * @since 3.9.0
		 *
		 * @param int $wp_db_version         The new $wp_db_version.
		 * @param int $wp_current_db_version The old (current) $wp_db_version.
		 */
		do_action( 'wp_upgrade', $wp_db_version, $wp_current_db_version );
	}
endif;

/**
 * Functions to be called in installation and upgrade scripts.
 *
 * Contains conditional checks to determine which upgrade scripts to run,
 * based on database version and WP version being updated-to.
 *
 * @ignore
 * @since 1.0.1
 *

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Changelog
Version Description
1.2.0 Introduced.

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