How can I input something in php

Question

..

Answer 1

Make a form in html and use input fields.

<form action="" method="post">
<input name="Something"/>
<button name="submit" value="confirm"></button>
</form>

than in php:
<?php
if(isset($_POST['submit']))
{
$value = $_POST['Something'];
if($value ==0)
{
echo 'Please write something in the input field';

}
else
{
//Your code here...
}

} ?>

Hope this is usefull.

best regards.

Answer 2

echo, print