Introduction to the implementation of php getting $_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:

Copy code The code is as follows:

　
　
　
　

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

Copy the code The code is as follows:

　
　
　
　

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

http://www.bkjia.com/PHPjc/327984.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/327984.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: Copy code The code is as follows: input type="checkbox" name="...