diff --git a/libraries/sql.lib.php b/libraries/sql.lib.php
index a77a311c70..528681f9dd 100644
--- a/libraries/sql.lib.php
+++ b/libraries/sql.lib.php
@@ -12,7 +12,10 @@ if (!defined('PHPMYADMIN')) {
 /**
  * Parses and analyzes the given SQL query.
  *
- * @param string $sql_query
+ * @param string $sql_query SQL query
+ * @param string $db        DB name
+ *
+ * @return mixed
  */
 function PMA_parseAndAnalyze($sql_query, $db = null)
 {
diff --git a/test/libraries/PMA_Linter_Test.php b/test/libraries/PMA_Linter_Test.php
index d7f4323dd2..a3b5fe4971 100644
--- a/test/libraries/PMA_Linter_Test.php
+++ b/test/libraries/PMA_Linter_Test.php
@@ -101,7 +101,8 @@ class PMA_Linter_Test extends PHPUnit_Framework_TestCase
             array(
                 array(
                     array(
-                        'message' => 'Unrecognized data type. (near <code>IN</code>)',
+                        'message' => 'Unrecognized data type. (near ' .
+                            '<code>IN</code>)',
                         'fromLine' => 0,
                         'fromColumn' => 22,
                         'toLine' => 0,
@@ -109,7 +110,8 @@ class PMA_Linter_Test extends PHPUnit_Framework_TestCase
                         'severity' => 'error',
                     ),
                     array(
-                        'message' => 'A closing bracket was expected. (near <code>IN</code>)',
+                        'message' => 'A closing bracket was expected. (near ' .
+                            '<code>IN</code>)',
                         'fromLine' => 0,
                         'fromColumn' => 22,
                         'toLine' => 0,
@@ -122,7 +124,8 @@ class PMA_Linter_Test extends PHPUnit_Framework_TestCase
             array(
                 array(
                     array(
-                        'message' => 'Linting is disabled for this query because it exceeds the maximum length.',
+                        'message' => 'Linting is disabled for this query because ' .
+                            'it exceeds the maximum length.',
                         'fromLine' => 0,
                         'fromColumn' => 0,
                         'toLine' => 0,
diff --git a/test/libraries/PMA_sql_test.php b/test/libraries/PMA_sql_test.php
index 0ad00e8d94..800d1e854b 100644
--- a/test/libraries/PMA_sql_test.php
+++ b/test/libraries/PMA_sql_test.php
@@ -18,7 +18,11 @@ require_once 'libraries/sql.lib.php';
  */
 class PMA_SqlTest extends PHPUnit_Framework_TestCase
 {
-
+    /**
+     * Test PMA_getSqlWithLimitClause
+     *
+     * @return void
+     */
     public function testGetSqlWithLimitClause()
     {
         // Test environment.
@@ -26,13 +30,20 @@ class PMA_SqlTest extends PHPUnit_Framework_TestCase
         $GLOBALS['_SESSION']['tmpval']['max_rows'] = 2;
         $GLOBALS['db'] = 'db';
 
-        $analyzed_sql_results = PMA_parseAndAnalyze('SELECT * FROM test LIMIT 0, 10');
+        $analyzed_sql_results = PMA_parseAndAnalyze(
+            'SELECT * FROM test LIMIT 0, 10'
+        );
         $this->assertEquals(
             'SELECT * FROM test LIMIT 1, 2 ',
             PMA_getSqlWithLimitClause($analyzed_sql_results)
         );
     }
 
+    /**
+     * Test PMA_isRememberSortingOrder
+     *
+     * @return void
+     */
     public function testIsRememberSortingOrder()
     {
         // Test environment.
@@ -70,6 +81,11 @@ class PMA_SqlTest extends PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * Test PMA_isAppendLimitClause
+     *
+     * @return void
+     */
     public function testIsAppendLimitClause()
     {
         // Test environment.
@@ -89,6 +105,11 @@ class PMA_SqlTest extends PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * Test PMA_isJustBrowsing
+     *
+     * @return void
+     */
     public function testIsJustBrowsing()
     {
         // Test environment.
@@ -117,6 +138,11 @@ class PMA_SqlTest extends PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * Test PMA_isDeleteTransformationInfo
+     *
+     * @return void
+     */
     public function testIsDeleteTransformationInfo()
     {
         $this->assertTrue(
@@ -138,6 +164,11 @@ class PMA_SqlTest extends PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * Test PMA_hasNoRightsToDropDatabase
+     *
+     * @return void
+     */
     public function testHasNoRightsToDropDatabase()
     {
         $this->assertEquals(