PHP 批量删除 sql语句

首先要了解sql语句
$SQL="delete from `jb51` where id in (1,2,4)";
表单大概是：
代码如下:
<form action="" method="post">
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="1"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="2"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="3"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="4"/>
<input type="submit"/>
</form>

php函数主要用到implode
代码如下:
$ID_Dele= implode(",",$_POST['ID_Dele']);
$SQL="delete from `user` where id in ($ID_Dele)";

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