public function column_cb( $blog ) {
		if ( ! is_main_site( $blog['blog_id'] ) ) :
			$blogname = untrailingslashit( $blog['domain'] . $blog['path'] );
			?>
			<label class="screen-reader-text" for="blog_<?php echo $blog['blog_id']; ?>">
																	<?php
																	printf( __( 'Select %s' ), $blogname );
																	?>
			</label>
			<input type="checkbox" id="blog_<?php echo $blog['blog_id']; ?>" name="allblogs[]" value="<?php echo esc_attr( $blog['blog_id'] ); ?>" />
			<?php
		endif;
	}