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HomeBackend DevelopmentPHP Tutorial 如何根据6,2,9,13,19这个值,把CHECKBOX打勾

怎么根据6,2,9,13,19这个值,把CHECKBOX打勾?
请问一下:
我在编辑会员信息的时候遇到困难了。
会员信息数据库里有一个字段值是:
6,2,9,13,19
用,号分格起来的。
怎么根据这个值,
把页面的上的,
相应值被打勾?
PHP代码怎么写?
请详细一些,

谢谢~

<br>
<label><input>高级包装1</label><br>
                                              <label><input>高级包装</label><br>
                                              <label><input>办公包装</label><br><br>
                                              <label><input>办公包装1</label><br><br>
                                              <label><input>包装到家</label><br>
                                              <label><input>包装到税关</label><br><br>
                                              <label><input>入住包装</label><br>
                                              <label><input>清扫1</label><br>
                                              <label><input>家挺清扫1</label><br>
                                              <label><input>家庭清扫2</label><br>
                                              <label><input>家庭装修</label> <div class="clear">
                 
              
              
        
            </div>
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