Website program development PHP program development example learning form to obtain the value of the text box

　Usage of text box:
　
　The input types include text, password and other types. HTML5 has added a lot of new input types. If you want to learn this kind of knowledge, you can have a good understanding of it, because the more detailed it is, the easier it is to use.
Look at the functions of this example

After filling in the form and submitting it:

Implementation code:

Copy the code The code is as follows:

< td width="114" height="30" align="center" >Admin:




< td height="30" align="center">





< ;/form>

Password:

if(!isset($_POST['submit']))
return ;
if($_POST['submit']=='submit'){
$username = $_POST['username'];
$password = $_POST['password'];
}
echo <<



< tr>

Administrator:$username

Password: $password

EOT;
?>

Use isset() function to determine whether $_POST['submit'] is set

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