CI框架，源代码一次性判断获取post(get)数据是否有某个字段值为空方法，cipost_PHP教程

<span>$req</span> = <span>array</span>('id','name','age','mobile');

<span>1</span> <span>for</span>(<span>$i</span> = 0;<span>$i</span> < <span>count</span>(<span>$req</span>);<span>$i</span> ++<span> ){    
</span><span>2</span>     <span>$j</span> = <span>$this</span>->load->get_post(<span>$req</span>[<span>$i</span>],<span>true</span><span>);
</span><span>3</span>     <span>if</span>(<span>empty</span>(<span>$j</span><span>))
</span><span>4</span>             <span>exit</span>(<span>$req</span>[<span>$i</span>].' 为空'<span>);
</span><span>5</span>     <span>$data</span>[<span>$i</span>] = <span>$j</span><span>;
</span><span>6</span> <span>}
</span><span>7</span>     <span>print_r</span>(<span>$data</span>);

<span>$req</span> = <span>array</span>('id','name','age','mobile'<span>);
</span><span>for</span>(<span>$i</span> = 0;<span>$i</span> < <span>count</span>(<span>$req</span>);<span>$i</span> ++<span> ){    
     </span><span>$j</span> = <span>$_POST</span>[<span>$req</span>[<span>$i</span><span>]];
     </span><span>if</span>(<span>empty</span>(<span>$j</span><span>))
             </span><span>exit</span>(<span>$req</span>[<span>$i</span>].' 为空'<span>);
     </span><span>$data</span>[<span>$i</span>] = <span>$j</span><span>;
}
     </span><span>print_r</span>(<span>$data</span>);