<code><span><span><?php</span> header(<span>"Content-type:text/html;charset=utf-8"</span>); <span>echo</span><span>"9*9乘法表"</span>; <span>echo</span><span>'<table border="1">'</span>; <span>for</span> (<span>$i</span>=<span>1</span>; <span>$i</span> < <span>10</span>; <span>$i</span>++) { <span>echo</span><span>'<tr>'</span>; <span>for</span> (<span>$j</span>=<span>1</span>; <span>$j</span> < <span>10</span> ; <span>$j</span>++) { <span>echo</span><span>'<td>'; <span>if</span> (<span>$j</span> > <span>$i</span>) { <span>continue</span>; } <span>echo</span><span>$j</span>.<span>'*'</span>.<span>$i</span>.<span>'='</span>.<span>$i</span>*<span>$j</span>.<span>' '</span>; <span>echo</span><span>'</td>'</span>; } <span>echo</span><span>'</tr>'</span>; <span>echo</span><span>'<br/>'</span>; } <span>echo</span><span>'</table>'</span>; <span>echo</span><span>'<table border="1">'</span>; <span>for</span> (<span>$i</span>=<span>1</span>; <span>$i</span> < <span>10</span>; <span>$i</span>++) { <span>echo</span><span>'<tr>'; <span>for</span> (<span>$j</span>=<span>9</span>; <span>$j</span> >= <span>1</span> ; <span>$j</span>--) { <span>echo</span><span>'<td>'</span>; <span>if</span> (<span>$j</span> > <span>$i</span>) { <span>continue</span>; } <span>echo</span><span>$j</span>.<span>'*'</span>.<span>$i</span>.<span>'='</span>.<span>$i</span>*<span>$j</span>.<span>' '</span>; <span>echo</span><span>'</td>'</span>; } <span>echo</span><span>'</tr>'</span>; <span>echo</span><span>'<br/>'</span>; } <span>echo</span><span>'</table>'</span>; <span>echo</span><span>'<table border="1">'</span>; <span>for</span> (<span>$i</span>= <span>9</span>; <span>$i</span> >= <span>1</span>; <span>$i</span>--) { <span>echo</span><span>'<tr>'</span>; <span>for</span> (<span>$j</span>=<span>1</span>; <span>$j</span> < <span>10</span> ; <span>$j</span>++) { <span>echo</span><span>'<td>'; <span>if</span> (<span>$j</span> > <span>$i</span>) { <span>continue</span>; } <span>echo</span><span>$j</span>.<span>'*'</span>.<span>$i</span>.<span>'='</span>.<span>$i</span>*<span>$j</span>.<span>' '</span>; <span>echo</span><span>'</td>'</span>; } <span>echo</span><span>'</tr>'</span>; <span>echo</span><span>'<br/>'</span>; } <span>echo</span><span>'</table>'</span>; <span>?></span></code>
이상은 관련 내용을 포함하여 PHP로 출력되는 구구단을 소개한 내용입니다. PHP 튜토리얼에 관심이 있는 친구들에게 도움이 되기를 바랍니다.