01.<?php
02.$edit = false;
03.if(isset($_POST['button'])){
04. $edit=true;
05. if( strlen($_POST['value1']){
06. if( strlen($_POST['value2']){
07.
08. header('location: /nexturl');
09. }
10. }
11.}
12.?>
13.<form method="post" >
14.<input name="value1" value="<?=($edit ? $_POST['value1'] : '')?>" >
15.<input name="value2" value="<?=($edit ? $_POST['value2'] : '')?>" >
16.<button name=button>Save</button>
17.</form>
