<?php if ( isset($_POST['text']) ) { $text = trim($_POST['text']); if ( strlen($text) >=3 ) { #... } else { $error = 'ашипка'; $text = htmlspecialchars($text, ENT_QUOTES); } } else $text = ''; if ( isset($error) ) echo $error; echo ' <form> Текст:<br /> <input type="text" name="text" value="', $text, '" /><br /> <input type="submit" value="Гоу, мэн" /> </form>'; ?>