<?php    function table(){        echo "<table align='center' border='1' width='600' cellspacing='0';>";        echo "<caption><h1>这是表格的标题</h1></caption>";                for($out=0; $out < 10; $out++ ){            $bgcolor = $out%2 == 0 ? "#ffffff" : "green";            $fontcolor = $out%2 == 0 ? "#ffffff" : "#000000";            echo "<tr bgcolor=".$bgcolor.">";                        for($in=0;$in<10;$in++){                echo "<td>".($out*10+$in)."</td>";            };            echo "</tr>";        };                echo "</table>";    }        table();?>