Store concerned value in a variable, Make anchor like this
<a href="edit.php?id=".$variable>Edit;
and on edit.php you can get this value by this
$_GET["id"]))
In case of Post method you'll have to make form like
<form method="post" action="?php echo $_SERVER["PHP_SELF"];"> and on same file in you can get values like $_Post['nameoftextbox"]; :