get_blogs_of_user

Source code

function get_blogs_of_user( $user_id, $all = false ) {

	global $wpdb;



	$user_id = (int) $user_id;



	// Logged out users can't have blogs

	if ( empty( $user_id ) )

		return false;



	$keys = get_user_meta( $user_id );

	if ( empty( $keys ) )

		return false;



	if ( ! is_multisite() ) {

		$blog_id = get_current_blog_id();

		$blogs = array( $blog_id => new stdClass );

		$blogs[ $blog_id ]->userblog_id = $blog_id;

		$blogs[ $blog_id ]->blogname = get_option('blogname');

		$blogs[ $blog_id ]->domain = '';

		$blogs[ $blog_id ]->path = '';

		$blogs[ $blog_id ]->site_id = 1;

		$blogs[ $blog_id ]->siteurl = get_option('siteurl');

		return $blogs;

	}



	$blogs = array();



	if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) {

		$blog = get_blog_details( 1 );

		if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) {

			$blogs[ 1 ] = (object) array(

				'userblog_id' => 1,

				'blogname'    => $blog->blogname,

				'domain'      => $blog->domain,

				'path'        => $blog->path,

				'site_id'     => $blog->site_id,

				'siteurl'     => $blog->siteurl,

			);

		}

		unset( $keys[ $wpdb->base_prefix . 'capabilities' ] );

	}



	$keys = array_keys( $keys );



	foreach ( $keys as $key ) {

		if ( 'capabilities' !== substr( $key, -12 ) )

			continue;

		if ( 0 !== strpos( $key, $wpdb->base_prefix ) )

			continue;

		$blog_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key );

		if ( ! is_numeric( $blog_id ) )

			continue;



		$blog_id = (int) $blog_id;

		$blog = get_blog_details( $blog_id );

		if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) {

			$blogs[ $blog_id ] = (object) array(

				'userblog_id' => $blog_id,

				'blogname'    => $blog->blogname,

				'domain'      => $blog->domain,

				'path'        => $blog->path,

				'site_id'     => $blog->site_id,

				'siteurl'     => $blog->siteurl,

			);

		}

	}



	return apply_filters( 'get_blogs_of_user', $blogs, $user_id, $all );

}