关于PHP二维数组赋值详细介绍
PHP有很多值得学习的地方,这里我们主要介绍PHP二维数组赋值,下面我们先简单的总结一下PHP吧。对于普通电脑爱好者来说,PHP或许是一个陌生的名字。比较关注网络的朋友,特别是关注网站建设技术的朋友,可能听说过PHP。PHP是一种为动态创建HTML内容而设计的简单但功能强大的编程语言。
在ASP中
<ol class="dp-xml"><li class="alt"><span><span>dim NamAre() //定义数组 </span></span></li></ol>
通过SQL语句查询得到记录数为total.
<ol class="dp-xml"><li class="alt"><span><span>redim NamAre(total,2) //重新定义数组,其中total为查询得到的记录数 </span></span></li></ol>
通过while 循环赋值
<ol class="dp-xml"> <li class="alt"><span><span>NamAre(i,1)=rolename </span></span></li> <li class=""><span>NamAre(i,2)=Area </span></li> </ol>
但这在里如何实现PHP二维数组赋值?在PHP里,我定义二维数组:
<ol class="dp-xml"> <li class="alt"><span><span>$</span><span class="attribute"><font color="#ff0000">data_array</font></span><span>=array($total,2);//其中$datarows为查询得到的记录数 </span></span></li> <li class=""><span>$data_array[$i][2]=$Area;//提示错误:Cannot use a scalar value as an array </span></li> </ol>
具体的循环如下:SQL语句.......
<ol class="dp-xml"> <li class="alt"><span><span>$</span><span class="attribute">i</span><span>=</span><span class="attribute-value">0</span><span>; </span></span></li> <li class=""> <span>while($</span><span class="attribute">result</span><span>=$db-</span><span class="tag">></span><span>fetch_array($query)) </span> </li> <li class="alt"><span>{ </span></li> <li class=""> <span>$</span><span class="attribute">Area</span><span>=$result["Area"]; </span> </li> <li class="alt"><span>$data_array[$i][2]=$Area; //出错! </span></li> <li class=""> <span>$</span><span class="attribute">i</span><span>=$i+1; </span> </li> <li class="alt"><span> </span></li> <li class=""><span>} </span></li> </ol>

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