<?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(); ?>