<form action="?" method="POST"> <input name="nick" type="text" value=""> <input type="submit" name="submit" value="Искать"/> </form> <? if (isset($_POST['submit'])){ $nick = mysql_real_escape_string($_POST['nick']); $user = mysql_fetch_array(mysql_query("SELECT * FROM user WHERE `nick` = '".$nick."' LIMIT 1")); # выводим данные } ?>