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1 point by abey 6082 days ago | link | parent <?php // unvarying HTML elided above if ($foo = $_POST['foo']) { $_SESSION['foo'] = $foo; print '<a href="">click here</a>'; } else if ($foo = $_SESSION['foo']) { print 'you said: ' . $foo; } else { print "<form method='post'><input type='text' name='foo'><input type='submit'></form>"; } ?>