Merge remote-tracking branch 'origin/QA_4_5' into QA_4_5

ChangeLog

@@ -5,6 +5,7 @@ phpMyAdmin - ChangeLog
 - issue        Invalid argument supplied for foreach()
 - issue        array_key_exists() expects parameter 2 to be array
 - issue #11480 Notice Undefined index: drop_database
+- issue #11486 Server variable edition in ANSI_QUOTES sql_mode: losing current value
 
 4.5.0.0 (not yet released)
 + rfe          Pagination for GIS visualization

libraries/server_variables.lib.php

@@ -25,9 +25,11 @@ function PMA_getAjaxReturnForGetVal($variable_doc_links)
 
     // Send with correct charset
     header('Content-Type: text/html; charset=UTF-8');
+    // Do not use double quotes inside the query to avoid a problem
+    // when server is running in ANSI_QUOTES sql_mode
     $varValue = $GLOBALS['dbi']->fetchSingleRow(
-        'SHOW GLOBAL VARIABLES WHERE Variable_name="'
-        . PMA_Util::sqlAddSlashes($_REQUEST['varName']) . '";',
+        'SHOW GLOBAL VARIABLES WHERE Variable_name=\''
+        . PMA_Util::sqlAddSlashes($_REQUEST['varName']) . '\';',
         'NUM'
     );
     if (isset($variable_doc_links[$_REQUEST['varName']][3])