1 files changed, 9 insertions, 9 deletions

diff --git a/packages/index.php b/packages/index.php
index d20d2e7..e062cce 100644
--- a/packages/index.php
+++ b/packages/index.php
@@ -7,7 +7,7 @@ require_once BASE . "/lib/format.php";
 
 
   foreach (array("bugs","sort","del","uses_upstream","uses_modification") as $expected_param)
-    if (! isset($_GET[$expected_param]))
+    if (! array_key_exists($expected_param, $_GET))
       $_GET[$expected_param] = "";
 
   $multi_select_search_criteria = array(
@@ -102,11 +102,11 @@ require_once BASE . "/lib/format.php";
       isset($criterium["options"][$_GET[$criterium["name"]]]))
       $filter .= " AND " . $criterium["options"][$_GET[$criterium["name"]]];
 
-  if (isset($_GET["q"])) {
+  if (array_key_exists("q", $_GET)) {
     $extra_joins = "";
     $exact_filter = " AND `binary_packages`.`pkgname` = from_base64(\"".base64_encode($_GET["q"])."\")";
     $fuzzy_filter = " AND `binary_packages`.`pkgname` LIKE from_base64(\"".base64_encode("%".$_GET["q"]."%")."\")";
-  } elseif (isset($_GET["g"]) && isset($_GET["ra"])) {
+  } elseif (array_key_exists("g", $_GET) && array_key_exists("ra", $_GET)) {
     $extra_joins =
       mysql_join_binary_packages_install_target_providers() .
       mysql_join_install_target_providers_install_targets();
@@ -174,7 +174,7 @@ require_once BASE . "/lib/format.php";
 
   $q_f = $extra_joins . $filter . $fuzzy_filter . " ORDER BY ";
 
-  if (isset($_GET["sort"])) {
+  if (array_key_exists("sort", $_GET)) {
     if (isset($sorts[$_GET["sort"]]["mysql"]))
       $q_f .= $sorts[$_GET["sort"]]["mysql"] . ",";
     elseif (isset($sorts[substr($_GET["sort"],1)]["mysql"]))
@@ -201,7 +201,7 @@ require_once BASE . "/lib/format.php";
     $filter . $fuzzy_filter .
     " ORDER BY ";
 
-  if (isset($_GET["sort"])) {
+  if (array_key_exists("sort", $_GET)) {
     if (isset($sorts[$_GET["sort"]]["mysql"]))
       $query .= $sorts[$_GET["sort"]]["mysql"] . ",";
     elseif (isset($sorts[substr($_GET["sort"],1)]["mysql"]))
@@ -212,7 +212,7 @@ require_once BASE . "/lib/format.php";
 
 
   $pages = max(ceil($num_results / 100), 1);
-  if (isset($_GET["page"]))
+  if (array_key_exists("page", $_GET))
     $page = max(min($_GET["page"]+0, $pages),1);
   else
     $page = 1;
@@ -281,7 +281,7 @@ require_once BASE . "/lib/format.php";
 
   };
 
-  if (isset($_GET["exact"])) {
+  if (array_key_exists("exact", $_GET)) {
     export_as_requested(
       array(
         "All" => $exact_matches
@@ -290,7 +290,7 @@ require_once BASE . "/lib/format.php";
     die();
   };
 
-  if (isset($_GET["fuzzy"])) {
+  if (array_key_exists("fuzzy", $_GET)) {
     export_as_requested(
       array(
         "All" => $fuzzy_matches
@@ -328,7 +328,7 @@ require_once BASE . "/lib/format.php";
             <div>
               <label for="id_q" title="Enter keywords as desired">Keywords</label>
               <input id="id_q" name="q" size="30" type="text" <?php
-if (isset($_GET["q"]))
+if (array_key_exists("q", $_GET))
   print "value=\"".$_GET["q"]."\"";
 ?>/>
             </div>