Question

upgrade_422()

Execute changes made in WordPress 4.2.2.

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description

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源代码

File: wp-admin/includes/upgrade.php

/**
 * Execute changes made in WordPress 3.5.
 *
 * @ignore
 * @since 3.5.0
 *
 * @global int   $wp_current_db_version
 * @global wpdb  $wpdb
 */
function upgrade_350() {
	global $wp_current_db_version, $wpdb;

	if ( $wp_current_db_version < 22006 && $wpdb->get_var( "SELECT link_id FROM $wpdb->links LIMIT 1" ) )
		update_option( 'link_manager_enabled', 1 ); // Previously set to 0 by populate_options()

	if ( $wp_current_db_version < 21811 && wp_should_upgrade_global_tables() ) {
		$meta_keys = array();
		foreach ( array_merge( get_post_types(), get_taxonomies() ) as $name ) {
			if ( false !== strpos( $name, '-' ) )
			$meta_keys[] = 'edit_' . str_replace( '-', '_', $name ) . '_per_page';
		}
		if ( $meta_keys ) {
			$meta_keys = implode( "', '", $meta_keys );
			$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key IN ('$meta_keys')" );
		}
	}

	if ( $wp_current_db_version < 22422 && $term = get_term_by( 'slug', 'post-format-standard', 'post_format' ) )
		wp_delete_term( $term->term_id, 'post_format' );
}

/**
 * Execute changes made in WordPress 3.7.
 *
 * @ignore
 * @since 3.7.0
 *
 * @global int $wp_current_db_version
 */
function upgrade_370() {
	global $wp_current_db_version;

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更新日志

Version	description
4.2.2	Introduced.

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User Contributed Notes