BBP_Admin::network_update_screen()

	public static function network_update_screen() {
		global $wpdb;

		// Get action
		$action = isset( $_GET['action'] ) ? $_GET['action'] : ''; ?>

		<div class="wrap">
			<div id="icon-edit" class="icon32 icon32-posts-topic"><br /></div>
			<h2><?php esc_html_e( 'Update Forums', 'buddyboss' ); ?></h2>

		<?php

		// Taking action
		switch ( $action ) {
			case 'bbpress-update' :

				// Site counter
				$n = isset( $_GET['n'] ) ? intval( $_GET['n'] ) : 0;

				// Get blogs 5 at a time
				$blogs = $wpdb->get_results( "SELECT * FROM {$wpdb->blogs} WHERE site_id = '{$wpdb->siteid}' AND spam = '0' AND deleted = '0' AND archived = '0' ORDER BY registered DESC LIMIT {$n}, 5", ARRAY_A );

				// No blogs so all done!
				if ( empty( $blogs ) ) : ?>

					<p><?php esc_html_e( 'All done!', 'buddyboss' ); ?></p>
					<a class="button" href="update-core.php?page=bbpress-update"><?php esc_html_e( 'Go Back', 'buddyboss' ); ?></a>

				<?php

				// Still have sites to loop through
				else : ?>

					<ul>

						<?php foreach ( (array) $blogs as $details ) :

							$siteurl = get_blog_option( $details['blog_id'], 'siteurl' ); ?>

							<li><?php echo $siteurl; ?></li>

							<?php

							// Get the response of the Forums update on this site
							$response = wp_remote_get(
								trailingslashit( $siteurl ) . 'wp-admin/index.php?page=bbp-update&action=bbp-update',
								array( 'timeout' => 30, 'httpversion' => '1.1' )
							);

							// Site errored out, no response?
							if ( is_wp_error( $response ) )
								wp_die( sprintf( __( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: <em>%2$s</em>', 'buddyboss' ), $siteurl, $response->get_error_message() ) );

							// Switch to the new blog
							switch_to_blog( $details[ 'blog_id' ] );

							$basename = bbpress()->basename;

							// Run the updater on this site
							if ( is_plugin_active_for_network( $basename ) || is_plugin_active( $basename ) ) {
								bbp_version_updater();
							}

							// restore original blog
							restore_current_blog();

							// Do some actions to allow plugins to do things too
							do_action( 'after_bbpress_upgrade', $response             );
							do_action( 'bbp_upgrade_site',      $details[ 'blog_id' ] );

						endforeach; ?>

					</ul>

					<p>
						<?php esc_html_e( 'If your browser doesn\'t start loading the next page automatically, click this link:', 'buddyboss' ); ?>
						<a class="button" href="update-core.php?page=bbpress-update&amp;action=bbpress-update&amp;n=<?php echo ( $n + 5 ); ?>"><?php esc_html_e( 'Next Forums', 'buddyboss' ); ?></a>
					</p>
					<script type='text/javascript'>
						<!--
						function nextpage() {
							location.href = 'update-core.php?page=bbpress-update&action=bbpress-update&n=<?php echo ( $n + 5 ) ?>';
						}
						setTimeout( 'nextpage()', 250 );
						//-->
					</script><?php

				endif;

				break;

			case 'show' :
			default : ?>

				<p><?php esc_html_e( 'You can update all the forums on your network through this page. It works by calling the update script of each site automatically. Hit the link below to update.', 'buddyboss' ); ?></p>
				<p><a class="button" href="update-core.php?page=bbpress-update&amp;action=bbpress-update"><?php esc_html_e( 'Update Forums', 'buddyboss' ); ?></a></p>

			<?php break;

		} ?>

		</div><?php
	}