Some notes on CI framework

Use the data obtained from the database when entering the View layer to determine whether the select is displayed to achieve the default selection goal

<select name="data[stat]">
                                <option value="0" <?php if(isset($data[&#39;stat&#39;]) && $data[&#39;stat&#39;] == 0 && $data[&#39;stat&#39;] != &#39;&#39;) : echo &#39;selected="selected"&#39;; endif;?>>下线</option>
                                <option value="1" <?php if(isset($data[&#39;stat&#39;]) && $data[&#39;stat&#39;] == 1 && $data[&#39;stat&#39;] != &#39;&#39;) : echo &#39;selected="selected"&#39;; endif;?>>正常</option>
                                <option value="2" <?php if(isset($data[&#39;stat&#39;]) && $data[&#39;stat&#39;] == 2 && $data[&#39;stat&#39;] != &#39;&#39;) : echo &#39;selected="selected"&#39;; endif;?>>删除</option>
                            </select>

The above introduces some notes on the CI framework, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.