PHP Tutorial: Getting user input in PHP using HTML form
- Using HTML Form
- Using URL values links
- Using COOKIES
. The form is posted to the server using POST method and each data user has entered is stored in a PHP super global variable $\$\_POST$. $\$\_POST$ is an associative array that stores variables in key => value format. Let us take an example of simple HTML form with two fields: username and password.
Simple Form
The name of the field username is ‘username’ and field password is ‘password’. The name actually stores an index in the $\$\_POST$ array and we can retrieve the value using this name a the index of the array. For example to retrieve the value of username, we can print $_POST'[‘username’] and similar is the case for password. So lets make another file retrieve.php to print the values of username and password.