How to realize php to delete multiple selection content of foreground checkbox at one time

This article mainly introduces "how to achieve php one-time deletion of foreground checkbox multi-selected content". In daily operation, I believe that many people have doubts about how to achieve php to delete foreground checkbox multi-selected content at one time. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for everyone to answer "how to php delete foreground checkbox multi-selected content at one time". Next, please follow the editor to study!

The copy code is as follows:

SQL:$SQL= "delete from `doing` where id in ('1Jing 2Jing 3Jing 4')"

The data are separated by commas.

Form:

The copy code is as follows:

Good $ID_Dele=$_POST ['ID_Dele'] will be an array. Although PHP is weakly typed, it is not as weak as ASP.

ASP can directly:

SQL= "delete from [doing] where id in ('" & ID_Dele& ")" to delete. But PHP can't put $ID_Dele directly into it. Because $ID_Dele is not'1 ID_Dele 2 ~ 3 ~ 4'Oh, because $1 is an array with keys and values.

Well, it's not difficult in PHP. There happens to be a function: implode (), by the way. A function that is the opposite of split ()\ explode (), the latter two are separated by a character (such as a comma), while the former can be concatenated into strings.

Therefore:

The copy code is as follows:

$ID_Dele= implode (",", $_ POST ['ID_Dele'])

$SQL= "delete from `doing` where id in ($ID_Dele)"

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