Source

File: wp-admin/includes/class-wp-ms-sites-list-table.php

public function display_rows() {
		foreach ( $this->items as $blog ) {
			$blog  = $blog->to_array();
			$class = '';
			reset( $this->status_list );

			foreach ( $this->status_list as $status => $col ) {
				if ( 1 == $blog[ $status ] ) {
					$class = " class='{$col[0]}'";
				}
			}

			echo "<tr{$class}>";

			$this->single_row_columns( $blog );

			echo '</tr>';
		}
	}