PHP gets $_POST parameter array with the same name_PHP tutorial

When I was writing PHP today, I found that $_POST["arr"] could not obtain the array of parameter arr. Please record it.

For example, the following form needs to be submitted:

　

　

　

　

Using $_POST["arr"] can only get the value of the last selected checkbox. To get the value of all selected checkboxes, you need to modify the form as follows:

　

　

　

　

In this way, you can use $_POST["arr"] to get the values ​​of all selected checkboxes.

http://www.bkjia.com/PHPjc/440368.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/440368.htmlTechArticleWhen I was writing PHP today, I found that $_POST["arr"] could not obtain the array of parameter arr, record it. For example, the following form needs to be submitted: input type="checkbox" name="arr" value="" / input type...