Use wp_get_referer(). Props robmiller. fixes #2855

git-svn-id: http://svn.automattic.com/wordpress/trunk@3921 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit-form-advanced.php

@@ -164,10 +164,10 @@ if ('publish' != $post->post_status || 0 == $post_ID) {
 <input name="referredby" type="hidden" id="referredby" value="<?php 
 if ( !empty($_REQUEST['popupurl']) )
 	echo wp_specialchars($_REQUEST['popupurl']);
-else if ( url_to_postid($_SERVER['HTTP_REFERER']) == $post_ID )
+else if ( url_to_postid(wp_get_referer()) == $post_ID )
 	echo 'redo';
 else
-	echo wp_specialchars($_SERVER['HTTP_REFERER']);
+	echo wp_specialchars(wp_get_referer());
 ?>" /></p>
 
 <?php do_action('edit_form_advanced'); ?>

wp-admin/edit-form.php

@@ -64,7 +64,7 @@ edCanvas = document.getElementById('content');
 <?php if ('bookmarklet' != $mode) {
       echo '<input name="advanced" type="submit" id="advancededit" tabindex="7" value="' .  __('Advanced Editing &raquo;') . '" />';
   } ?>
-  <input name="referredby" type="hidden" id="referredby" value="<?php if (isset($_SERVER['HTTP_REFERER'])) echo urlencode($_SERVER['HTTP_REFERER']); ?>" />
+  <input name="referredby" type="hidden" id="referredby" value="<?php if (isset(wp_get_referer())) echo urlencode($_SERVER['HTTP_REFERER']); ?>" />
 </p>
 
 <?php do_action('simple_edit_form', ''); ?>

wp-pass.php

@@ -7,5 +7,5 @@ if ( get_magic_quotes_gpc() )
 // 10 days
 setcookie('wp-postpass_' . COOKIEHASH, $_POST['post_password'], time() + 864000, COOKIEPATH);
 
-wp_redirect($_SERVER['HTTP_REFERER']);
+wp_redirect(wp_get_referer());
 ?>