php - Is IF obligatory to be followed by ELSE -

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i not sure if if must followed else in example above or if if can used alone without else. page show if there no else? beginner...

<?php $rank = $user["rank"]; if ($rank != 'admin'){     header('location: get_the_he.._out.php');     exit();     } else {  ?> <html> <head><title>show page</title></head>  <body>  here show page if user admin  </body> </html>  <?php } ?>

no. there no need have else if. need make sure script not continue after if, doing here :)


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