chamilo / chamilo-lms

main/inc/lib/pear/HTML/Table.php

Indentation +58 added lines, -59 removed lines

@@ -1,63 +1,62 @@ 
 <?php
 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
 /**
- * PEAR::HTML_Table makes the design of HTML tables easy, flexible, reusable and
- * efficient.
- *
- * The PEAR::HTML_Table package provides methods for easy and efficient design
- * of HTML tables.
- * - Lots of customization options.
- * - Tables can be modified at any time.
- * - The logic is the same as standard HTML editors.
- * - Handles col and rowspans.
- * - PHP code is shorter, easier to read and to maintain.
- * - Tables options can be reused.
- *
- * For auto filling of data and such then check out
- * http://pear.php.net/package/HTML_Table_Matrix
- *
- * PHP versions 4 and 5
- *
- * LICENSE:
- *
- * Copyright (c) 2005-2007, Adam Daniel <adaniel1@eesus.jnj.com>,
- *                          Bertrand Mansion <bmansion@mamasam.com>,
- *                          Mark Wiesemann <wiesemann@php.net>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *    * Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above copyright
- *      notice, this list of conditions and the following disclaimer in the
- *      documentation and/or other materials provided with the distribution.
- *    * The names of the authors may not be used to endorse or promote products
- *      derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- *
- * @category   HTML
- * @package    HTML_Table
- * @author     Adam Daniel <adaniel1@eesus.jnj.com>
- * @author     Bertrand Mansion <bmansion@mamasam.com>
- * @license    http://www.opensource.org/licenses/bsd-license.php New BSD License
- * @version    CVS: $Id: Table.php,v 1.39 2007/06/25 16:44:43 wiesemann Exp $
- * @link       http://pear.php.net/package/HTML_Table
- */
+     * PEAR::HTML_Table makes the design of HTML tables easy, flexible, reusable and
+     * efficient.
+     *
+     * The PEAR::HTML_Table package provides methods for easy and efficient design
+     * of HTML tables.
+     * - Lots of customization options.
+     * - Tables can be modified at any time.
+     * - The logic is the same as standard HTML editors.
+     * - Handles col and rowspans.
+     * - PHP code is shorter, easier to read and to maintain.
+     * - Tables options can be reused.
+     *
+     * For auto filling of data and such then check out
+     * http://pear.php.net/package/HTML_Table_Matrix
+     *
+     * PHP versions 4 and 5
+     *
+     * LICENSE:
+     *
+     * Copyright (c) 2005-2007, Adam Daniel <adaniel1@eesus.jnj.com>,
+     *                          Bertrand Mansion <bmansion@mamasam.com>,
+     *                          Mark Wiesemann <wiesemann@php.net>
+     * All rights reserved.
+     *
+     * Redistribution and use in source and binary forms, with or without
+     * modification, are permitted provided that the following conditions
+     * are met:
+     *
+     *    * Redistributions of source code must retain the above copyright
+     *      notice, this list of conditions and the following disclaimer.
+     *    * Redistributions in binary form must reproduce the above copyright
+     *      notice, this list of conditions and the following disclaimer in the
+     *      documentation and/or other materials provided with the distribution.
+     *    * The names of the authors may not be used to endorse or promote products
+     *      derived from this software without specific prior written permission.
+     *
+     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+     * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+     * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+     * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+     * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+     * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+     * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+     *
+     * @category   HTML
+     * @package    HTML_Table
+     * @author     Adam Daniel <adaniel1@eesus.jnj.com>
+     * @author     Bertrand Mansion <bmansion@mamasam.com>
+     * @license    http://www.opensource.org/licenses/bsd-license.php New BSD License
+     * @version    CVS: $Id: Table.php,v 1.39 2007/06/25 16:44:43 wiesemann Exp $
+     * @link       http://pear.php.net/package/HTML_Table
+     */
 
 /**
  * PEAR::HTML_Table makes the design of HTML tables easy, flexible, reusable and efficient.
@@ -256,7 +255,7 @@ 
 
         $body = $this->_tbodyCount++;
         $this->_tbodies[$body] = new HTML_Table_Storage($this->_tabOffset,
-                                                         $this->_useTGroups);
+                                                            $this->_useTGroups);
         $this->_tbodies[$body]->setAutoFill($this->_autoFill);
         $this->_tbodies[$body]->setAttributes($attributes);
         return $body;
@@ -308,7 +307,7 @@ 
         if (isset($colgroup)) {
             $attributes = $this->_parseAttributes($attributes);
             $this->_colgroup[] = array('attr' => $attributes,
-                                       'contents' => $colgroup);
+                                        'contents' => $colgroup);
         } else {
             $this->_colgroup = array();
         }

main/exercice/TestCategory.php

Indentation +504 added lines, -504 removed lines

@@ -13,11 +13,11 @@ 
     public $name;
     public $description;
 
-	/**
-	 * Constructor of the class Category
-	 * If you give an in_id and no in_name, you get info concerning the category of id=in_id
-	 * otherwise, you've got an category objet avec your in_id, in_name, in_descr
-	 *
+    /**
+     * Constructor of the class Category
+     * If you give an in_id and no in_name, you get info concerning the category of id=in_id
+     * otherwise, you've got an category objet avec your in_id, in_name, in_descr
+     *
      * @param int    $id
      * @param string $name
      * @param string $description
@@ -61,9 +61,9 @@ 
         }
     }
 
-	/**
+    /**
      * add TestCategory in the database if name doesn't already exists
-	 */
+     */
     public function addCategoryInBDD()
     {
         $table = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
@@ -108,12 +108,12 @@ 
 
             return false;
         }
-	}
+    }
 
-	/**
+    /**
      * Removes the category from the database
      * if there were question in this category, the link between question and category is removed
-	 */
+     */
     public function removeCategory()
     {
         $table = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
@@ -143,11 +143,11 @@ 
 
             return true;
         }
-	}
+    }
 
-	/**
+    /**
      * Modify category name or description of category with id=in_id
-	 */
+     */
     public function modifyCategory()
     {
         $table = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
@@ -175,40 +175,40 @@ 
 
             return true;
         }
-	}
+    }
 
-	/**
+    /**
      * Gets the number of question of category id=in_id
-	 */
+     */
     public function getCategoryQuestionsNumber()
     {
-		$table = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
-		$in_id = intval($this->id);
-		$sql = "SELECT count(*) AS nb
+        $table = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
+        $in_id = intval($this->id);
+        $sql = "SELECT count(*) AS nb
 		        FROM $table
 		        WHERE category_id=$in_id AND c_id=".api_get_course_int_id();
-		$res = Database::query($sql);
-		$row = Database::fetch_array($res);
+        $res = Database::query($sql);
+        $row = Database::fetch_array($res);
 
-		return $row['nb'];
-	}
+        return $row['nb'];
+    }
 
     /**
      * @param string $in_color
      */
     public function display($in_color="#E0EBF5")
     {
-		echo "<textarea style='background-color:$in_color; width:60%; height:100px;'>";
-		print_r($this);
-		echo "</textarea>";
-	}
+        echo "<textarea style='background-color:$in_color; width:60%; height:100px;'>";
+        print_r($this);
+        echo "</textarea>";
+    }
 
-	/**
+    /**
      * Return an array of all Category objects in the database
-	 * If in_field=="" Return an array of all category objects in the database
-	 * Otherwise, return an array of all in_field value
-	 * in the database (in_field = id or name or description)
-	 */
+     * If in_field=="" Return an array of all category objects in the database
+     * Otherwise, return an array of all in_field value
+     * in the database (in_field = id or name or description)
+     */
     public static function getCategoryListInfo($in_field = "", $courseId = "")
     {
         if (empty($courseId) || $courseId=="") {
@@ -239,8 +239,8 @@ 
             }
         }
 
-		return $tabres;
-	}
+        return $tabres;
+    }
 
     /**
      * Return the TestCategory id for question with question_id = $questionId
@@ -251,246 +251,246 @@ 
      *
      * @return int
      */
-	public static function getCategoryForQuestion($questionId, $courseId ="")
+    public static function getCategoryForQuestion($questionId, $courseId ="")
     {
-		$result = 0;
+        $result = 0;
         if (empty($courseId) || $courseId == "") {
             $courseId = api_get_course_int_id();
         }
-		$table = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
+        $table = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
         $questionId = intval($questionId);
-		$sql = "SELECT category_id
+        $sql = "SELECT category_id
 		        FROM $table
 		        WHERE question_id = $questionId AND c_id = $courseId";
-		$res = Database::query($sql);
-		if (Database::num_rows($res) > 0) {
+        $res = Database::query($sql);
+        if (Database::num_rows($res) > 0) {
             $data = Database::fetch_array($res);
-			$result = $data['category_id'];
-		}
+            $result = $data['category_id'];
+        }
 
-		return $result;
-	}
+        return $result;
+    }
 
-	/**
-	 * true if question id has a category
-	 */
-	public static function isQuestionHasCategory($questionId)
+    /**
+     * true if question id has a category
+     */
+    public static function isQuestionHasCategory($questionId)
     {
-		if (TestCategory::getCategoryForQuestion($questionId) > 0) {
-			return true;
-		}
-		return false;
-	}
+        if (TestCategory::getCategoryForQuestion($questionId) > 0) {
+            return true;
+        }
+        return false;
+    }
 
-	/**
+    /**
 	 Return the category name for question with question_id = $questionId
 	 In this version, a question has only 1 category.
 	 Return the category id, "" if none
-	 */
+     */
     public static function getCategoryNameForQuestion(
         $questionId,
         $courseId = ""
     ) {
-		if (empty($courseId) || $courseId=="") {
-			$courseId = api_get_course_int_id();
-		}
-		$catid = TestCategory::getCategoryForQuestion($questionId, $courseId);
-		$result = "";	// result
-		$table = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
-		$catid = intval($catid);
-		$sql = "SELECT title FROM $table
+        if (empty($courseId) || $courseId=="") {
+            $courseId = api_get_course_int_id();
+        }
+        $catid = TestCategory::getCategoryForQuestion($questionId, $courseId);
+        $result = "";	// result
+        $table = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
+        $catid = intval($catid);
+        $sql = "SELECT title FROM $table
 		        WHERE id = $catid  AND c_id = $courseId";
-		$res = Database::query($sql);
-		$data = Database::fetch_array($res);
-		if (Database::num_rows($res) > 0) {
-			$result = $data['title'];
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Return the list of differents categories ID for a test in the current course
-	 * input : test_id
-	 * return : array of category id (integer)
-	 * hubert.borderiou 07-04-2011
-	 * @param int $exerciseId
-	 */
-	public static function getListOfCategoriesIDForTest($exerciseId)
+        $res = Database::query($sql);
+        $data = Database::fetch_array($res);
+        if (Database::num_rows($res) > 0) {
+            $result = $data['title'];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Return the list of differents categories ID for a test in the current course
+     * input : test_id
+     * return : array of category id (integer)
+     * hubert.borderiou 07-04-2011
+     * @param int $exerciseId
+     */
+    public static function getListOfCategoriesIDForTest($exerciseId)
     {
-		// parcourir les questions d'un test, recup les categories uniques dans un tableau
-		$exercise = new Exercise();
-		$exercise->read($exerciseId, false);
-		$categoriesInExercise = $exercise->getQuestionWithCategories();
-		// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
-		$categories = array();
+        // parcourir les questions d'un test, recup les categories uniques dans un tableau
+        $exercise = new Exercise();
+        $exercise->read($exerciseId, false);
+        $categoriesInExercise = $exercise->getQuestionWithCategories();
+        // the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
+        $categories = array();
         if (!empty($categoriesInExercise)) {
-			foreach ($categoriesInExercise as $category) {
-				//$category['id'] = $category['iid'];
-				$categories[$category['id']] = $category;
-			}
-		}
-
-		return $categories;
-	}
-
-	/**
-	 * @param Exercise $exercise_obj
-	 * @return array
-	 */
-	public static function getListOfCategoriesIDForTestObject(Exercise $exercise_obj)
-	{
-		// parcourir les questions d'un test, recup les categories uniques dans un tableau
-		$categories_in_exercise = array();
-		// $question_list = $exercise_obj->getQuestionList();
-		$question_list = $exercise_obj->getQuestionOrderedListByName();
-
-		// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
-		foreach ($question_list as $questionInfo) {
-			$question_id = $questionInfo['question_id'];
-			$category_list = self::getCategoryForQuestion($question_id);
-			if (is_numeric($category_list)) {
-				$category_list = array($category_list);
-			}
-
-			if (!empty($category_list)) {
-				$categories_in_exercise = array_merge($categories_in_exercise, $category_list);
-			}
-		}
-		if (!empty($categories_in_exercise)) {
-			$categories_in_exercise = array_unique(array_filter($categories_in_exercise));
-		}
-		return $categories_in_exercise;
-	}
-
-	/**
-	 * Return the list of differents categories NAME for a test
-	 * @param int exercise id
-	 * @param bool
-	 * @return array of string
-	 *
+            foreach ($categoriesInExercise as $category) {
+                //$category['id'] = $category['iid'];
+                $categories[$category['id']] = $category;
+            }
+        }
+
+        return $categories;
+    }
+
+    /**
+     * @param Exercise $exercise_obj
+     * @return array
+     */
+    public static function getListOfCategoriesIDForTestObject(Exercise $exercise_obj)
+    {
+        // parcourir les questions d'un test, recup les categories uniques dans un tableau
+        $categories_in_exercise = array();
+        // $question_list = $exercise_obj->getQuestionList();
+        $question_list = $exercise_obj->getQuestionOrderedListByName();
+
+        // the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
+        foreach ($question_list as $questionInfo) {
+            $question_id = $questionInfo['question_id'];
+            $category_list = self::getCategoryForQuestion($question_id);
+            if (is_numeric($category_list)) {
+                $category_list = array($category_list);
+            }
+
+            if (!empty($category_list)) {
+                $categories_in_exercise = array_merge($categories_in_exercise, $category_list);
+            }
+        }
+        if (!empty($categories_in_exercise)) {
+            $categories_in_exercise = array_unique(array_filter($categories_in_exercise));
+        }
+        return $categories_in_exercise;
+    }
+
+    /**
+     * Return the list of differents categories NAME for a test
+     * @param int exercise id
+     * @param bool
+     * @return array of string
+     *
      * @author function rewrote by jmontoya
-	 */
-	public static function getListOfCategoriesNameForTest($exercise_id, $grouped_by_category = true)
+     */
+    public static function getListOfCategoriesNameForTest($exercise_id, $grouped_by_category = true)
     {
-		$result = array();
-		$categories = self::getListOfCategoriesIDForTest($exercise_id, $grouped_by_category);
+        $result = array();
+        $categories = self::getListOfCategoriesIDForTest($exercise_id, $grouped_by_category);
 
-		foreach ($categories as $catInfo) {
-			$categoryId = $catInfo['id'];
-			if (!empty($categoryId)) {
-				$result[$categoryId] = array(
+        foreach ($categories as $catInfo) {
+            $categoryId = $catInfo['id'];
+            if (!empty($categoryId)) {
+                $result[$categoryId] = array(
                     'title' => $catInfo['title'],
                     //'parent_id' =>  $catInfo['parent_id'],
-					'parent_id' => '',
+                    'parent_id' => '',
                     'c_id' => $catInfo['c_id']
                 );
-		}
-		}
-
-		return $result;
-	}
-
-	/**
-	 * @param Exercise $exercise_obj
-	 * @return array
-	 */
-	public static function getListOfCategoriesForTest(Exercise $exercise_obj)
-	{
-		$result = array();
-		$categories = self::getListOfCategoriesIDForTestObject($exercise_obj);
-		foreach ($categories as $cat_id) {
-			$cat = new TestCategory($cat_id);
-			$cat = (array)$cat;
-			$cat['iid'] = $cat['id'];
-			$cat['title'] = $cat['name'];
-			$result[$cat['id']] = $cat;
-		}
-		return $result;
-	}
-
-	/**
-	 * return the number of differents categories for a test
-	 * input : test_id
-	 * return : integer
-	 * hubert.borderiou 07-04-2011
-	 */
-	public static function getNumberOfCategoriesForTest($id)
+        }
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param Exercise $exercise_obj
+     * @return array
+     */
+    public static function getListOfCategoriesForTest(Exercise $exercise_obj)
+    {
+        $result = array();
+        $categories = self::getListOfCategoriesIDForTestObject($exercise_obj);
+        foreach ($categories as $cat_id) {
+            $cat = new TestCategory($cat_id);
+            $cat = (array)$cat;
+            $cat['iid'] = $cat['id'];
+            $cat['title'] = $cat['name'];
+            $result[$cat['id']] = $cat;
+        }
+        return $result;
+    }
+
+    /**
+     * return the number of differents categories for a test
+     * input : test_id
+     * return : integer
+     * hubert.borderiou 07-04-2011
+     */
+    public static function getNumberOfCategoriesForTest($id)
     {
-		return count(TestCategory::getListOfCategoriesIDForTest($id));
-	}
+        return count(TestCategory::getListOfCategoriesIDForTest($id));
+    }
 
-	/**
-	 * return the number of question of a category id in a test
-	 * @param int $exerciseId
+    /**
+     * return the number of question of a category id in a test
+     * @param int $exerciseId
      * @param int $categoryId
      *
-	 * @return integer
+     * @return integer
      *
-	 * @author hubert.borderiou 07-04-2011
-	 */
-	public static function getNumberOfQuestionsInCategoryForTest($exerciseId, $categoryId)
+     * @author hubert.borderiou 07-04-2011
+     */
+    public static function getNumberOfQuestionsInCategoryForTest($exerciseId, $categoryId)
     {
-		$nbCatResult = 0;
-		$quiz = new Exercise();
-		$quiz->read($exerciseId);
-		$tabQuestionList = $quiz->selectQuestionList();
-		// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ? ? ?
-		for ($i=1; $i <= count($tabQuestionList); $i++) {
-			if (TestCategory::getCategoryForQuestion($tabQuestionList[$i]) == $categoryId) {
-				$nbCatResult++;
-			}
-		}
-
-		return $nbCatResult;
-	}
-
-	/**
-	 * return the number of question for a test using random by category
-	 * input  : test_id, number of random question (min 1)
-	 * hubert.borderiou 07-04-2011
-	 * question without categories are not counted
-	 */
-	public static function getNumberOfQuestionRandomByCategory($exerciseId, $in_nbrandom)
+        $nbCatResult = 0;
+        $quiz = new Exercise();
+        $quiz->read($exerciseId);
+        $tabQuestionList = $quiz->selectQuestionList();
+        // the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ? ? ?
+        for ($i=1; $i <= count($tabQuestionList); $i++) {
+            if (TestCategory::getCategoryForQuestion($tabQuestionList[$i]) == $categoryId) {
+                $nbCatResult++;
+            }
+        }
+
+        return $nbCatResult;
+    }
+
+    /**
+     * return the number of question for a test using random by category
+     * input  : test_id, number of random question (min 1)
+     * hubert.borderiou 07-04-2011
+     * question without categories are not counted
+     */
+    public static function getNumberOfQuestionRandomByCategory($exerciseId, $in_nbrandom)
     {
-		$nbquestionresult = 0;
-		$tabcatid = TestCategory::getListOfCategoriesIDForTest($exerciseId);
-		for ($i=0; $i < count($tabcatid); $i++) {
-			if ($tabcatid[$i] > 0 && $tabcatid[$i] > 0) {	// 0 = no category for this questio
-				$nbQuestionInThisCat = TestCategory::getNumberOfQuestionsInCategoryForTest($exerciseId, $tabcatid[$i]);
-				if ($nbQuestionInThisCat > $in_nbrandom) {
-					$nbquestionresult += $in_nbrandom;
-				}
-				else {
-					$nbquestionresult += $nbQuestionInThisCat;
-				}
-			}
-		}
-
-		return $nbquestionresult;
-	}
-
-	/**
-	 * Return an array (id=>name)
-	 * tabresult[0] = get_lang('NoCategory');
+        $nbquestionresult = 0;
+        $tabcatid = TestCategory::getListOfCategoriesIDForTest($exerciseId);
+        for ($i=0; $i < count($tabcatid); $i++) {
+            if ($tabcatid[$i] > 0 && $tabcatid[$i] > 0) {	// 0 = no category for this questio
+                $nbQuestionInThisCat = TestCategory::getNumberOfQuestionsInCategoryForTest($exerciseId, $tabcatid[$i]);
+                if ($nbQuestionInThisCat > $in_nbrandom) {
+                    $nbquestionresult += $in_nbrandom;
+                }
+                else {
+                    $nbquestionresult += $nbQuestionInThisCat;
+                }
+            }
+        }
+
+        return $nbquestionresult;
+    }
+
+    /**
+     * Return an array (id=>name)
+     * tabresult[0] = get_lang('NoCategory');
      *
      * @param int $courseId
      *
      * @return array
-	 *
-	 */
+     *
+     */
     public static function getCategoriesIdAndName($courseId = "")
     {
-		if (empty($courseId)) {
-			$courseId = api_get_course_int_id();
-		}
-	 	$tabcatobject = TestCategory::getCategoryListInfo("", $courseId);
-	 	$tabresult = array("0"=>get_lang('NoCategorySelected'));
-	 	for ($i=0; $i < count($tabcatobject); $i++) {
-	 		$tabresult[$tabcatobject[$i]->id] = $tabcatobject[$i]->name;
-	 	}
-	 	return $tabresult;
-	}
+        if (empty($courseId)) {
+            $courseId = api_get_course_int_id();
+        }
+            $tabcatobject = TestCategory::getCategoryListInfo("", $courseId);
+            $tabresult = array("0"=>get_lang('NoCategorySelected'));
+            for ($i=0; $i < count($tabcatobject); $i++) {
+                $tabresult[$tabcatobject[$i]->id] = $tabcatobject[$i]->name;
+            }
+            return $tabresult;
+    }
 
     /**
      * Returns an array of question ids for each category
@@ -499,10 +499,10 @@ 
      * @param int exercise
      * @param array $check_in_question_list
      * @param array $categoriesAddedInExercise
-    *
-    * @param int $exerciseId
-    * @return array
-    */
+     *
+     * @param int $exerciseId
+     * @return array
+     */
     static function getQuestionsByCat(
         $exerciseId,
         $check_in_question_list = array(),
@@ -580,28 +580,28 @@ 
         }
 
         return $categories;
-	}
+    }
 
-	/**
-	 * return a tab of $in_number random elements of $in_tab
-	 */
+    /**
+     * return a tab of $in_number random elements of $in_tab
+     */
     public static function getNElementsFromArray($in_tab, $in_number)
     {
-		$tabres = $in_tab;
-		shuffle($tabres);
-		if ($in_number < count($tabres)) {
-			$tabres = array_slice($tabres, 0, $in_number);
-		}
-		return $tabres;
-	}
-
-	/**
-	 * display the category
-	 */
-	public static function displayCategoryAndTitle($questionId, $in_display_category_name = 1)
+        $tabres = $in_tab;
+        shuffle($tabres);
+        if ($in_number < count($tabres)) {
+            $tabres = array_slice($tabres, 0, $in_number);
+        }
+        return $tabres;
+    }
+
+    /**
+     * display the category
+     */
+    public static function displayCategoryAndTitle($questionId, $in_display_category_name = 1)
     {
         echo self::returnCategoryAndTitle($questionId, $in_display_category_name);
-	}
+    }
 
     /**
      * @param int $questionId
@@ -617,98 +617,98 @@ 
             $in_display_category_name = $objExercise->display_category_name;
         }
         $content = null;
-		if (TestCategory::getCategoryNameForQuestion($questionId) != "" && ($in_display_category_name == 1 || !$is_student)) {
+        if (TestCategory::getCategoryNameForQuestion($questionId) != "" && ($in_display_category_name == 1 || !$is_student)) {
             $content .= '<div class="page-header">';
             $content .= '<h4>'.get_lang('Category').": ".TestCategory::getCategoryNameForQuestion($questionId).'</h4>';
             $content .= "</div>";
-		}
+        }
         return $content;
-	}
+    }
 
     /**
-    * Display signs [+] and/or (>0) after question title if question has options
-    * scoreAlwaysPositive and/or uncheckedMayScore
-    */
+     * Display signs [+] and/or (>0) after question title if question has options
+     * scoreAlwaysPositive and/or uncheckedMayScore
+     */
     public function displayQuestionOption($in_objQuestion)
     {
-		if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->scoreAlwaysPositive) {
-			echo "<span style='font-size:75%'> (>0)</span>";
-		}
-		if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->uncheckedMayScore) {
-			echo "<span style='font-size:75%'> [+]</span>";
-		}
-	}
-
-	/**
-	 * sortTabByBracketLabel ($tabCategoryQuestions)
-	 * key of $tabCategoryQuestions are the category id (0 for not in a category)
-	 * value is the array of question id of this category
-	 * Sort question by Category
-	*/
+        if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->scoreAlwaysPositive) {
+            echo "<span style='font-size:75%'> (>0)</span>";
+        }
+        if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->uncheckedMayScore) {
+            echo "<span style='font-size:75%'> [+]</span>";
+        }
+    }
+
+    /**
+     * sortTabByBracketLabel ($tabCategoryQuestions)
+     * key of $tabCategoryQuestions are the category id (0 for not in a category)
+     * value is the array of question id of this category
+     * Sort question by Category
+     */
     public static function sortTabByBracketLabel($in_tab)
     {
-		$tabResult = array();
-		$tabCatName = array();	// tab of category name
-		while (list($cat_id, $tabquestion) = each($in_tab)) {
-			$catTitle = new TestCategory($cat_id);
-			$tabCatName[$cat_id] = $catTitle->name;
-		}
-		reset($in_tab);
-		// sort table by value, keeping keys as they are
-		asort($tabCatName);
-		// keys of $tabCatName are keys order for $in_tab
-		while (list($key, $val) = each($tabCatName)) {
-			$tabResult[$key] = $in_tab[$key];
-		}
-		return $tabResult;
-	}
+        $tabResult = array();
+        $tabCatName = array();	// tab of category name
+        while (list($cat_id, $tabquestion) = each($in_tab)) {
+            $catTitle = new TestCategory($cat_id);
+            $tabCatName[$cat_id] = $catTitle->name;
+        }
+        reset($in_tab);
+        // sort table by value, keeping keys as they are
+        asort($tabCatName);
+        // keys of $tabCatName are keys order for $in_tab
+        while (list($key, $val) = each($tabCatName)) {
+            $tabResult[$key] = $in_tab[$key];
+        }
+        return $tabResult;
+    }
 
     /**
-	 * return total score for test exe_id for all question in the category $in_cat_id for user
-	 * If no question for this category, return ""
-	 */
-	public static function getCatScoreForExeidForUserid($in_cat_id, $in_exe_id, $in_user_id)
-	{
-		$tbl_track_attempt		= Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
-		$tbl_question_rel_category = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
-		$in_cat_id = intval($in_cat_id);
-		$in_exe_id = intval($in_exe_id);
-		$in_user_id = intval($in_user_id);
-
-		$query = "SELECT DISTINCT
+     * return total score for test exe_id for all question in the category $in_cat_id for user
+     * If no question for this category, return ""
+     */
+    public static function getCatScoreForExeidForUserid($in_cat_id, $in_exe_id, $in_user_id)
+    {
+        $tbl_track_attempt		= Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
+        $tbl_question_rel_category = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
+        $in_cat_id = intval($in_cat_id);
+        $in_exe_id = intval($in_exe_id);
+        $in_user_id = intval($in_user_id);
+
+        $query = "SELECT DISTINCT
 		            marks, exe_id, user_id, ta.question_id, category_id
                   FROM $tbl_track_attempt ta , $tbl_question_rel_category qrc
                   WHERE
                     ta.question_id=qrc.question_id AND
                     qrc.category_id=$in_cat_id AND
                     exe_id=$in_exe_id AND user_id=$in_user_id";
-		$res = Database::query($query);
-		$totalcatscore = "";
-		while ($data = Database::fetch_array($res)) {
-			$totalcatscore += $data['marks'];
-		}
-		return $totalcatscore;
-	}
-
-	/**
+        $res = Database::query($query);
+        $totalcatscore = "";
+        while ($data = Database::fetch_array($res)) {
+            $totalcatscore += $data['marks'];
+        }
+        return $totalcatscore;
+    }
+
+    /**
      * return the number max of question in a category
      * count the number of questions in all categories, and return the max
      * @param int $exerciseId
      * @author - hubert borderiou
-    */
+     */
     public static function getNumberMaxQuestionByCat($exerciseId)
     {
         $res_num_max = 0;
         // foreach question
-		$tabcatid = TestCategory::getListOfCategoriesIDForTest($exerciseId);
-		for ($i=0; $i < count($tabcatid); $i++) {
-			if ($tabcatid[$i] > 0) {	// 0 = no category for this question
-				$nbQuestionInThisCat = TestCategory::getNumberOfQuestionsInCategoryForTest($exerciseId, $tabcatid[$i]);
+        $tabcatid = TestCategory::getListOfCategoriesIDForTest($exerciseId);
+        for ($i=0; $i < count($tabcatid); $i++) {
+            if ($tabcatid[$i] > 0) {	// 0 = no category for this question
+                $nbQuestionInThisCat = TestCategory::getNumberOfQuestionsInCategoryForTest($exerciseId, $tabcatid[$i]);
                 if ($nbQuestionInThisCat > $res_num_max) {
                     $res_num_max = $nbQuestionInThisCat;
                 }
-			}
-		}
+            }
+        }
         return $res_num_max;
     }
 
@@ -768,34 +768,34 @@ 
     }
 
     /**
-	 * @return array
-	 */
-	function get_all_categories()
-	{
-		$table = Database::get_course_table(TABLE_QUIZ_CATEGORY);
-		$sql = "SELECT * FROM $table ORDER BY title ASC";
-		$res = Database::query($sql);
-		while ($row = Database::fetch_array($res,'ASSOC')) {
-			$array[] = $row;
-		}
-		return $array;
-	}
-
-	/**
-	 * @param Exercise $exercise
-	 * @param int $course_id
-	 * @param string $order
-	 * @param bool $shuffle
-	 * @param bool $excludeCategoryWithNoQuestions
-	 * @return array|bool
-	 */
-	public function getCategoryExerciseTree(
-		$exercise,
-		$course_id,
-		$order = null,
-		$shuffle = false,
-		$excludeCategoryWithNoQuestions = true
-	) {
+     * @return array
+     */
+    function get_all_categories()
+    {
+        $table = Database::get_course_table(TABLE_QUIZ_CATEGORY);
+        $sql = "SELECT * FROM $table ORDER BY title ASC";
+        $res = Database::query($sql);
+        while ($row = Database::fetch_array($res,'ASSOC')) {
+            $array[] = $row;
+        }
+        return $array;
+    }
+
+    /**
+     * @param Exercise $exercise
+     * @param int $course_id
+     * @param string $order
+     * @param bool $shuffle
+     * @param bool $excludeCategoryWithNoQuestions
+     * @return array|bool
+     */
+    public function getCategoryExerciseTree(
+        $exercise,
+        $course_id,
+        $order = null,
+        $shuffle = false,
+        $excludeCategoryWithNoQuestions = true
+    ) {
         if (empty($exercise)) {
             return array();
         }
@@ -805,165 +805,165 @@ 
         }
 
         $course_id = intval($course_id);
-		$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
+        $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
         $categoryTable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
-		$sql = "SELECT * FROM $table qc
+        $sql = "SELECT * FROM $table qc
               	LEFT JOIN $categoryTable c
                 ON (qc.c_id = c.c_id AND c.id = qc.category_id)
                 WHERE qc.c_id = $course_id AND exercise_id = {$exercise->id} ";
 
-		if (!empty($order)) {
-			$sql .= "ORDER BY $order";
-		}
-
-		$categories = array();
-
-		$result = Database::query($sql);
-		if (Database::num_rows($result)) {
-			while ($row = Database::fetch_array($result, 'ASSOC')) {
-				if ($excludeCategoryWithNoQuestions) {
-					if ($row['count_questions'] == 0) {
-						continue;
-					}
-				}
-				if (empty($row['title']) && empty($row['category_id'])) {
-					$row['title'] = get_lang('NoCategory');
-				}
+        if (!empty($order)) {
+            $sql .= "ORDER BY $order";
+        }
+
+        $categories = array();
+
+        $result = Database::query($sql);
+        if (Database::num_rows($result)) {
+            while ($row = Database::fetch_array($result, 'ASSOC')) {
+                if ($excludeCategoryWithNoQuestions) {
+                    if ($row['count_questions'] == 0) {
+                        continue;
+                    }
+                }
+                if (empty($row['title']) && empty($row['category_id'])) {
+                    $row['title'] = get_lang('NoCategory');
+                }
                 $categories[$row['category_id']] = $row;
-			}
-		}
-
-		if ($shuffle) {
-			shuffle_assoc($categories);
-		}
-
-		return $categories;
-	}
-
-	public function getForm(& $form, $action = 'new')
-	{
-		switch($action) {
-			case 'new':
-				$header = get_lang('AddACategory');
-				$submit = get_lang('AddTestCategory');
-				break;
-			case 'edit':
-				$header = get_lang('EditCategory');
-				$submit = get_lang('ModifyCategory');
-				break;
-		}
-
-		// settting the form elements
-		$form->addElement('header', $header);
-		$form->addElement('hidden', 'category_id');
-		$form->addElement('text', 'category_name', get_lang('CategoryName'), array('class' => 'span6'));
-		$form->add_html_editor('category_description', get_lang('CategoryDescription'), false, false, array('ToolbarSet' => 'test_category', 'Width' => '90%', 'Height' => '200'));
-		$category_parent_list = array();
-
-		$options = array(
-				'1' => get_lang('Visible'),
-				'0' => get_lang('Hidden')
-		);
-		$form->addElement('select', 'visibility', get_lang('Visibility'), $options);
-		$script = null;
-		if (!empty($this->parent_id)) {
-			$parent_cat = new TestCategory($this->parent_id);
-			$category_parent_list = array($parent_cat->id => $parent_cat->name);
-			$script .= '<script>$(function() { $("#parent_id").trigger("addItem",[{"title": "'.$parent_cat->name.'", "value": "'.$parent_cat->id.'"}]); });</script>';
-		}
-		$form->addElement('html', $script);
-
-		$form->addElement('select', 'parent_id', get_lang('Parent'), $category_parent_list, array('id' => 'parent_id'));
-		$form->addElement('style_submit_button', 'SubmitNote', $submit, 'class="add"');
-
-		// setting the defaults
-		$defaults = array();
-		$defaults["category_id"] = $this->id;
-		$defaults["category_name"] = $this->name;
-		$defaults["category_description"] = $this->description;
-		$defaults["parent_id"] = $this->parent_id;
-		$defaults["visibility"] = $this->visibility;
-		$form->setDefaults($defaults);
-
-		// setting the rules
-		$form->addRule('category_name', get_lang('ThisFieldIsRequired'), 'required');
-	}
-
-	/**
-	 * Returns the category form.
-	 * @param Exercise $exercise_obj
-	 * @return string
-	 */
-	public function returnCategoryForm(Exercise $exercise_obj)
-	{
-		$categories = $this->getListOfCategoriesForTest($exercise_obj);
-
-		$saved_categories = $exercise_obj->get_categories_in_exercise();
-		$return = null;
-
-		if (!empty($categories)) {
-			$nbQuestionsTotal = $exercise_obj->getNumberQuestionExerciseCategory();
-			$exercise_obj->setCategoriesGrouping(true);
-			$real_question_count = count($exercise_obj->getQuestionList());
-
-			$warning = null;
-			if ($nbQuestionsTotal != $real_question_count) {
-				$warning = Display::return_message(get_lang('CheckThatYouHaveEnoughQuestionsInYourCategories'), 'warning');
-			}
-
-			$return .= $warning;
-			$return .= '<table class="data_table">';
-			$return .= '<tr>';
-			$return .= '<th height="24">' . get_lang('Categories') . '</th>';
-			$return .= '<th width="70" height="24">' . get_lang('Number') . '</th></tr>';
-
-			$emptyCategory = array(
-				'id' => '0',
-				'name' => get_lang('NoCategory'),
-				'description' => '',
-				'iid' => '0',
-				'title' => get_lang('NoCategory')
-			);
-
-			$categories[] = $emptyCategory;
-
-			foreach ($categories as $category) {
-				$cat_id = $category['iid'];
-				$return .= '<tr>';
-				$return .= '<td>';
-				//$return .= Display::div(isset($category['parent_path']) ? $category['parent_path'] : '');
-				$return .= Display::div($category['name']);
-				$return .= '</td>';
-				$return .= '<td>';
-				$value = isset($saved_categories) && isset($saved_categories[$cat_id]) ? $saved_categories[$cat_id]['count_questions'] : -1;
-				$return .= '<input name="category['.$cat_id.']" value="' .$value.'" />';
-				$return .= '</td>';
-				$return .= '</tr>';
-			}
-
-			$return .= '</table>';
-			$return .= get_lang('ZeroMeansNoQuestionWillBeSelectedMinusOneMeansThatAllQuestionsWillBeSelected');
-			return $return;
-		}
-	}
-
-	/**
-	 * Sorts an array
-	 * @param $array
-	 * @return mixed
-	 */
-	public function sort_tree_array($array)
-	{
-		foreach ($array as $key => $row) {
-			$parent[$key] = $row['parent_id'];
-		}
-		if (count($array) > 0) {
-			array_multisort($parent, SORT_ASC, $array);
-		}
-		return $array;
-	}
-
-	/**
+            }
+        }
+
+        if ($shuffle) {
+            shuffle_assoc($categories);
+        }
+
+        return $categories;
+    }
+
+    public function getForm(& $form, $action = 'new')
+    {
+        switch($action) {
+            case 'new':
+                $header = get_lang('AddACategory');
+                $submit = get_lang('AddTestCategory');
+                break;
+            case 'edit':
+                $header = get_lang('EditCategory');
+                $submit = get_lang('ModifyCategory');
+                break;
+        }
+
+        // settting the form elements
+        $form->addElement('header', $header);
+        $form->addElement('hidden', 'category_id');
+        $form->addElement('text', 'category_name', get_lang('CategoryName'), array('class' => 'span6'));
+        $form->add_html_editor('category_description', get_lang('CategoryDescription'), false, false, array('ToolbarSet' => 'test_category', 'Width' => '90%', 'Height' => '200'));
+        $category_parent_list = array();
+
+        $options = array(
+                '1' => get_lang('Visible'),
+                '0' => get_lang('Hidden')
+        );
+        $form->addElement('select', 'visibility', get_lang('Visibility'), $options);
+        $script = null;
+        if (!empty($this->parent_id)) {
+            $parent_cat = new TestCategory($this->parent_id);
+            $category_parent_list = array($parent_cat->id => $parent_cat->name);
+            $script .= '<script>$(function() { $("#parent_id").trigger("addItem",[{"title": "'.$parent_cat->name.'", "value": "'.$parent_cat->id.'"}]); });</script>';
+        }
+        $form->addElement('html', $script);
+
+        $form->addElement('select', 'parent_id', get_lang('Parent'), $category_parent_list, array('id' => 'parent_id'));
+        $form->addElement('style_submit_button', 'SubmitNote', $submit, 'class="add"');
+
+        // setting the defaults
+        $defaults = array();
+        $defaults["category_id"] = $this->id;
+        $defaults["category_name"] = $this->name;
+        $defaults["category_description"] = $this->description;
+        $defaults["parent_id"] = $this->parent_id;
+        $defaults["visibility"] = $this->visibility;
+        $form->setDefaults($defaults);
+
+        // setting the rules
+        $form->addRule('category_name', get_lang('ThisFieldIsRequired'), 'required');
+    }
+
+    /**
+     * Returns the category form.
+     * @param Exercise $exercise_obj
+     * @return string
+     */
+    public function returnCategoryForm(Exercise $exercise_obj)
+    {
+        $categories = $this->getListOfCategoriesForTest($exercise_obj);
+
+        $saved_categories = $exercise_obj->get_categories_in_exercise();
+        $return = null;
+
+        if (!empty($categories)) {
+            $nbQuestionsTotal = $exercise_obj->getNumberQuestionExerciseCategory();
+            $exercise_obj->setCategoriesGrouping(true);
+            $real_question_count = count($exercise_obj->getQuestionList());
+
+            $warning = null;
+            if ($nbQuestionsTotal != $real_question_count) {
+                $warning = Display::return_message(get_lang('CheckThatYouHaveEnoughQuestionsInYourCategories'), 'warning');
+            }
+
+            $return .= $warning;
+            $return .= '<table class="data_table">';
+            $return .= '<tr>';
+            $return .= '<th height="24">' . get_lang('Categories') . '</th>';
+            $return .= '<th width="70" height="24">' . get_lang('Number') . '</th></tr>';
+
+            $emptyCategory = array(
+                'id' => '0',
+                'name' => get_lang('NoCategory'),
+                'description' => '',
+                'iid' => '0',
+                'title' => get_lang('NoCategory')
+            );
+
+            $categories[] = $emptyCategory;
+
+            foreach ($categories as $category) {
+                $cat_id = $category['iid'];
+                $return .= '<tr>';
+                $return .= '<td>';
+                //$return .= Display::div(isset($category['parent_path']) ? $category['parent_path'] : '');
+                $return .= Display::div($category['name']);
+                $return .= '</td>';
+                $return .= '<td>';
+                $value = isset($saved_categories) && isset($saved_categories[$cat_id]) ? $saved_categories[$cat_id]['count_questions'] : -1;
+                $return .= '<input name="category['.$cat_id.']" value="' .$value.'" />';
+                $return .= '</td>';
+                $return .= '</tr>';
+            }
+
+            $return .= '</table>';
+            $return .= get_lang('ZeroMeansNoQuestionWillBeSelectedMinusOneMeansThatAllQuestionsWillBeSelected');
+            return $return;
+        }
+    }
+
+    /**
+     * Sorts an array
+     * @param $array
+     * @return mixed
+     */
+    public function sort_tree_array($array)
+    {
+        foreach ($array as $key => $row) {
+            $parent[$key] = $row['parent_id'];
+        }
+        if (count($array) > 0) {
+            array_multisort($parent, SORT_ASC, $array);
+        }
+        return $array;
+    }
+
+    /**
      * Return true if a category already exists with the same name
      * @param string $in_name
      *
@@ -1010,8 +1010,8 @@ 
      * @param int $categoryId
      * @param int $questionId
      * @param int $courseId
-	 *
-	 * @return int
+     *
+     * @return int
      */
     public static function add_category_for_question_id($categoryId, $questionId, $courseId)
     {
@@ -1019,18 +1019,18 @@ 
         // if question doesn't have a category
         // @todo change for 1.10 when a question can have several categories
         if (TestCategory::getCategoryForQuestion($questionId, $courseId) == 0 &&
-			$questionId > 0 &&
-			$courseId > 0
+            $questionId > 0 &&
+            $courseId > 0
         ) {
             $sql = "INSERT INTO $table (c_id, question_id, category_id)
                     VALUES (".intval($courseId).", ".intval($questionId).", ".intval($categoryId).")";
             Database::query($sql);
-			$id = Database::insert_id();
+            $id = Database::insert_id();
 
-			return $id;
+            return $id;
         }
 
-		return false;
+        return false;
     }
 
     /**

main/exercice/exercise_submit.php

Indentation +190 added lines, -190 removed lines

@@ -116,7 +116,7 @@ 
     if (!$objExercise->read($exerciseId) ||
         (!$objExercise->selectStatus() && !$is_allowedToEdit && $origin != 'learnpath')
     ) {
-    	if ($debug) {error_log('1.1. Error while reading the exercise'); };
+        if ($debug) {error_log('1.1. Error while reading the exercise'); };
         unset ($objExercise);
         $error = get_lang('ExerciseNotFound');
     } else {
@@ -130,13 +130,13 @@ 
 
 //2. Checking if $objExercise is set
 if (!isset($objExercise) && isset($exerciseInSession)) {
-	if ($debug) { error_log('2. Loading $objExercise from session'); };
+    if ($debug) { error_log('2. Loading $objExercise from session'); };
     $objExercise = $exerciseInSession;
 }
 
 //3. $objExercise is not set, then return to the exercise list
 if (!is_object($objExercise)) {
-	if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
+    if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
     header('Location: exercise.php');
     exit;
 }
@@ -157,7 +157,7 @@ 
 
 $time_control = false;
 if ($objExercise->expired_time != 0) {
-	$time_control = true;
+    $time_control = true;
 }
 
 // Generating the time control key for the user
@@ -166,14 +166,14 @@ 
 $_SESSION['duration_time'][$current_expired_time_key] = $current_timestamp;
 
 if ($time_control) {
-	// Get the expired time of the current exercise in track_e_exercises
-	$total_seconds = $objExercise->expired_time*60;
+    // Get the expired time of the current exercise in track_e_exercises
+    $total_seconds = $objExercise->expired_time*60;
 }
 
 $show_clock = true;
 $user_id = api_get_user_id();
 if ($objExercise->selectAttempts() > 0) {
-	$attempt_html = '';
+    $attempt_html = '';
     $attempt_count = Event::get_attempt_count(
         $user_id,
         $exerciseId,
@@ -182,9 +182,9 @@ 
         $learnpath_item_view_id
     );
 
-	if ($attempt_count >= $objExercise->selectAttempts()) {
-		$show_clock = false;
-		if (!api_is_allowed_to_edit(null,true)) {
+    if ($attempt_count >= $objExercise->selectAttempts()) {
+        $show_clock = false;
+        if (!api_is_allowed_to_edit(null,true)) {
             if ($objExercise->results_disabled == 0 && $origin != 'learnpath') {
 
                 // Showing latest attempt according with task BT#1628
@@ -223,29 +223,29 @@ 
                             $attempt_html .= Display::div(get_lang('Score').' '.$marks, array('id'=>'question_question_titlescore'));
                         }
                     }
-					$score =  ExerciseLib::show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
-					$attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
-				} else {
-					$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-				}
-			} else {
-				$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-			}
-		} else {
-			$attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
-		}
+                    $score =  ExerciseLib::show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
+                    $attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
+                } else {
+                    $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+                }
+            } else {
+                $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+            }
+        } else {
+            $attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
+        }
 
-		if ($origin == 'learnpath') {
-			Display :: display_reduced_header();
-		} else {
-			Display :: display_header($nameTools,'Exercises');
-		}
+        if ($origin == 'learnpath') {
+            Display :: display_reduced_header();
+        } else {
+            Display :: display_header($nameTools,'Exercises');
+        }
 
-		echo $attempt_html;
-		if ($origin != 'learnpath')
-			Display :: display_footer();
-		exit;
-	}
+        echo $attempt_html;
+        if ($origin != 'learnpath')
+            Display :: display_footer();
+        exit;
+    }
 }
 
 if ($debug) {
@@ -296,26 +296,26 @@ 
 
 if (empty($exercise_stat_info)) {
     if ($debug)  error_log('5  $exercise_stat_info is empty ');
-	$total_weight = 0;
-	$questionList = $objExercise->get_validated_question_list();
-	foreach ($questionListUncompressed as $question_id) {
-		$objQuestionTmp = Question::read($question_id);
-		$total_weight += floatval($objQuestionTmp->weighting);
-	}
+    $total_weight = 0;
+    $questionList = $objExercise->get_validated_question_list();
+    foreach ($questionListUncompressed as $question_id) {
+        $objQuestionTmp = Question::read($question_id);
+        $total_weight += floatval($objQuestionTmp->weighting);
+    }
 
-	if ($time_control) {
-		$expected_time = $current_timestamp + $total_seconds;
+    if ($time_control) {
+        $expected_time = $current_timestamp + $total_seconds;
 
-		if ($debug)  error_log('5.1. $current_timestamp '.$current_timestamp);
-		if ($debug)  error_log('5.2. $expected_time '.$expected_time);
+        if ($debug)  error_log('5.1. $current_timestamp '.$current_timestamp);
+        if ($debug)  error_log('5.2. $expected_time '.$expected_time);
 
-		$clock_expired_time 	= api_get_utc_datetime($expected_time);
-		if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
+        $clock_expired_time 	= api_get_utc_datetime($expected_time);
+        if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
 
-		//Sessions  that contain the expired time
-		$_SESSION['expired_time'][$current_expired_time_key] 	 = $clock_expired_time;
-		if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
-	}
+        //Sessions  that contain the expired time
+        $_SESSION['expired_time'][$current_expired_time_key] 	 = $clock_expired_time;
+        if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
+    }
 
     $exe_id = $objExercise->save_stat_track_exercise_info(
         $clock_expired_time,
@@ -332,7 +332,7 @@ 
     );
     if ($debug)  error_log("5.5  exercise_stat_info[] exists getting exe_id $exe_id");
 } else {
-	$exe_id = $exercise_stat_info['exe_id'];
+    $exe_id = $exercise_stat_info['exe_id'];
     // Remember last question id position.
     $isFirstTime = Session::read('firstTime');
     if ($isFirstTime && $objExercise->type == ONE_PER_PAGE) {
@@ -362,9 +362,9 @@ 
 if ($debug) { error_log('6. $objExercise->get_stat_track_exercise_info function called::  '.print_r($exercise_stat_info, 1)); };
 
 if (!empty($exercise_stat_info['questions_to_check'])) {
-	$my_remind_list = $exercise_stat_info['questions_to_check'];
-	$my_remind_list = explode(',', $my_remind_list);
-	$my_remind_list = array_filter($my_remind_list);
+    $my_remind_list = $exercise_stat_info['questions_to_check'];
+    $my_remind_list = explode(',', $my_remind_list);
+    $my_remind_list = array_filter($my_remind_list);
 }
 
 $params = "exe_id=$exe_id&exerciseId=$exerciseId&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id&".api_get_cidreq();
@@ -372,8 +372,8 @@ 
 
 if ($reminder == 2 && empty($my_remind_list)) {
     if ($debug) { error_log("6.2 calling the exercise_reminder.php "); };
-	header('Location: exercise_reminder.php?'.$params);
-	exit;
+    header('Location: exercise_reminder.php?'.$params);
+    exit;
 }
 
 /*
@@ -381,56 +381,56 @@ 
  * If the expired time is major that zero(0) then the expired time is compute on this time.
  */
 if ($time_control) {
-	if ($debug) error_log('7.1. Time control is enabled');
-	if ($debug) error_log('7.2. $current_expired_time_key  '.$current_expired_time_key);
-	if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key]  '.$_SESSION['expired_time'][$current_expired_time_key]);
+    if ($debug) error_log('7.1. Time control is enabled');
+    if ($debug) error_log('7.2. $current_expired_time_key  '.$current_expired_time_key);
+    if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key]  '.$_SESSION['expired_time'][$current_expired_time_key]);
 
     if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
         //Timer - Get expired_time for a student
         if (!empty($exercise_stat_info)) {
-        	if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
-	        $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
-			if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
-	        // Get the last attempt of an exercise
-	    	$last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
+            if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
+            $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
+            if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
+            // Get the last attempt of an exercise
+            $last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
 
-	    	/* This means that the user enters the exam but do not answer the
+            /* This means that the user enters the exam but do not answer the
 	    	   first question we get the date from the track_e_exercises not from
 	    	   the track_et_attempt see #2069 */
-	    	if (empty($last_attempt_date)) {
-	    		$diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
-	    		$last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
-	    	} else {
-	    		//Recalculate the time control due #2069
-	    		$diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
-	    		$last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
-	    	}
-	        if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
-
-	        //New expired time - it is due to the possible closure of session
-	        $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
-	        if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
-
-	        $expected_time	= $current_timestamp + $new_expired_time_in_seconds;
-	        if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
-
-	        $clock_expired_time  = api_get_utc_datetime($expected_time);
-	        if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
-
-			// First we update the attempt to today
-			/* How the expired time is changed into "track_e_exercises" table,
+            if (empty($last_attempt_date)) {
+                $diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
+                $last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
+            } else {
+                //Recalculate the time control due #2069
+                $diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
+                $last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
+            }
+            if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
+
+            //New expired time - it is due to the possible closure of session
+            $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
+            if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
+
+            $expected_time	= $current_timestamp + $new_expired_time_in_seconds;
+            if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
+
+            $clock_expired_time  = api_get_utc_datetime($expected_time);
+            if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
+
+            // First we update the attempt to today
+            /* How the expired time is changed into "track_e_exercises" table,
                then the last attempt for this student should be changed too */
-	        $sql = "UPDATE $exercise_attempt_table SET
+            $sql = "UPDATE $exercise_attempt_table SET
 	                tms = '".api_get_utc_datetime()."'
 	                WHERE
 	                    exe_id = '".$exercise_stat_info['exe_id']."' AND
 	                    tms = '".$last_attempt_date."' ";
-	        if ($debug) {error_log('7.10. $sql: '.$sql); }
-	        Database::query($sql);
+            if ($debug) {error_log('7.10. $sql: '.$sql); }
+            Database::query($sql);
 
-	        //Sessions  that contain the expired time
-	        $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
-	        if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
+            //Sessions  that contain the expired time
+            $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
+            if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
         }
     } else {
         $clock_expired_time =  $_SESSION['expired_time'][$current_expired_time_key];
@@ -447,7 +447,7 @@ 
  * for more details of how it works see this link : http://eric.garside.name/docs.html?p=epiclock
  */
 if ($time_control) { //Sends the exercise form when the expired time is finished
-	$htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
+    $htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
 }
 
 // if the user has submitted the form
@@ -461,14 +461,14 @@ 
     // selects the list of question ID
     $questionList = $objExercise->get_validated_question_list();
     if ($objExercise->isRandom() && !empty($exercise_stat_info['data_tracking'])) {
-    	$questionList = explode(',', $exercise_stat_info['data_tracking']);
+        $questionList = explode(',', $exercise_stat_info['data_tracking']);
     }
     Session::write('questionList', $questionList);
     if ($debug > 0) { error_log('$_SESSION[questionList] was set'); }
 } else {
-	if (isset($objExercise) && isset($_SESSION['objExercise'])) {
-    	$questionList = $_SESSION['questionList'];
-	}
+    if (isset($objExercise) && isset($_SESSION['objExercise'])) {
+        $questionList = $_SESSION['questionList'];
+    }
 }
 
 if ($debug) error_log('8. Question list loaded '.print_r($questionList, 1));
@@ -476,7 +476,7 @@ 
 //Real question count
 $question_count = 0;
 if (!empty($questionList)) {
-	$question_count = count($questionList);
+    $question_count = count($questionList);
 }
 
 if ($formSent && isset($_POST)) {
@@ -518,11 +518,11 @@ 
                 //saving each question
                 if ($objExercise->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
                     $nro_question = $current_question; // - 1;
-                 	$questionId   = $key;
+                        $questionId   = $key;
                     // gets the student choice for this question
                     $choice = $exerciseResult[$questionId];
                     if (isset($exe_id)) {
-                    	// Manage the question and answer attempts
+                        // Manage the question and answer attempts
                         if ($debug) { error_log('8.3. manage_answer exe_id: '.$exe_id.' - $questionId: '.$questionId.' Choice'.print_r($choice,1)); }
                         $objExercise->manage_answer(
                             $exe_id,
@@ -611,58 +611,58 @@ 
 }
 
 if ($question_count != 0) {
-	if (($objExercise->type == ALL_ON_ONE_PAGE ||
+    if (($objExercise->type == ALL_ON_ONE_PAGE ||
         $current_question > $question_count)
     ) {
-	    if (api_is_allowed_to_session_edit()) {
-	        // goes to the script that will show the result of the exercise
-	        if ($objExercise->type == ALL_ON_ONE_PAGE) {
-	            if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
-
-	            //We check if the user attempts before sending to the exercise_result.php
-	            if ($objExercise->selectAttempts() > 0) {
-	                $attempt_count = Event::get_attempt_count(
+        if (api_is_allowed_to_session_edit()) {
+            // goes to the script that will show the result of the exercise
+            if ($objExercise->type == ALL_ON_ONE_PAGE) {
+                if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
+
+                //We check if the user attempts before sending to the exercise_result.php
+                if ($objExercise->selectAttempts() > 0) {
+                    $attempt_count = Event::get_attempt_count(
                         api_get_user_id(),
                         $exerciseId,
                         $learnpath_id,
                         $learnpath_item_id,
                         $learnpath_item_view_id
                     );
-	                if ($attempt_count >= $objExercise->selectAttempts()) {
-	                    Display :: display_warning_message(
+                    if ($attempt_count >= $objExercise->selectAttempts()) {
+                        Display :: display_warning_message(
                             sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
                             false
                         );
-	                    if ($origin != 'learnpath') {
-	                        //so we are not in learnpath tool
-	                        echo '</div>'; //End glossary div
-	                        Display :: display_footer();
-	                    } else {
-	                        echo '</body></html>';
-	                    }
-	                    exit;
-	                }
-	            }
-	        } else {
-	            if ($objExercise->review_answers) {
-	            	header('Location: exercise_reminder.php?'.$params);
-	            	exit;
-	            } else {
+                        if ($origin != 'learnpath') {
+                            //so we are not in learnpath tool
+                            echo '</div>'; //End glossary div
+                            Display :: display_footer();
+                        } else {
+                            echo '</body></html>';
+                        }
+                        exit;
+                    }
+                }
+            } else {
+                if ($objExercise->review_answers) {
+                    header('Location: exercise_reminder.php?'.$params);
+                    exit;
+                } else {
                     header("Location: exercise_result.php?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
                     exit;
-	            }
-	        }
-	    } else {
-	        if ($debug) { error_log('Redirecting to exercise_submit.php'); }
-	        exit;
-	    }
-	}
+                }
+            }
+        } else {
+            if ($debug) { error_log('Redirecting to exercise_submit.php'); }
+            exit;
+        }
+    }
 } else {
-	$error = get_lang('ThereAreNoQuestionsForThisExercise');
-	// if we are in the case where user select random by category, but didn't choose the number of random question
-	if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
-		$error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
-	}
+    $error = get_lang('ThereAreNoQuestionsForThisExercise');
+    // if we are in the case where user select random by category, but didn't choose the number of random question
+    if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
+        $error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
+    }
 }
 
 if (!empty ($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
@@ -701,9 +701,9 @@ 
 if (api_is_course_admin() && $origin != 'learnpath') {
     echo '<div class="actions">';
     if ($show_quiz_edition == false) {
-    	echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
     } else {
-    	echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
+        echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
     }
     echo '</div>';
 }
@@ -746,7 +746,7 @@ 
             $message_warning = $permission_to_start ? get_lang('ReachedTimeLimit') : get_lang('ExerciseNoStartedYet');
             Display :: display_warning_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()));
             if ($origin != 'learnpath') {
-            	Display :: display_footer();
+                Display :: display_footer();
             }
             exit;
         } else {
@@ -761,7 +761,7 @@ 
 if (isset($_custom['exercises_hidden_when_no_start_date']) &&
     $_custom['exercises_hidden_when_no_start_date']
 ) {
-	if (empty($objExercise->start_time) || $objExercise->start_time == '0000-00-00 00:00:00') {
+    if (empty($objExercise->start_time) || $objExercise->start_time == '0000-00-00 00:00:00') {
         Display:: display_warning_message(
             sprintf(
                 get_lang('ExerciseNoStartedYet'),
@@ -769,20 +769,20 @@ 
                 $objExercise->selectAttempts()
             )
         );
-		if ($origin != 'learnpath') {
-			Display :: display_footer();
-		}
-	}
+        if ($origin != 'learnpath') {
+            Display :: display_footer();
+        }
+    }
 }
 
 //Timer control
 if ($time_control) {
     echo $objExercise->return_time_left_div();
-	echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciseExpiredTimeMessage').'</div>';
+    echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciseExpiredTimeMessage').'</div>';
 }
 
 if ($origin != 'learnpath') {
-   echo '<div id="highlight-plugin" class="glossary-content">';
+    echo '<div id="highlight-plugin" class="glossary-content">';
 }
 
 if ($reminder == 2)  {
@@ -794,53 +794,53 @@ 
     $current_question = 1; //set by default the 1st question
 
     if (!empty($my_remind_list)) {
-    	// Checking which questions we are going to call from the remind list
-		for ($i = 0; $i < count($data_tracking); $i++) {
-			for($j = 0; $j < count($my_remind_list); $j++) {
-
-				if (!empty($remind_question_id)) {
-					if ($remind_question_id == $my_remind_list[$j]) {
-
-			        	if ($remind_question_id == $data_tracking[$i]) {
-			        		if (isset($my_remind_list[$j+1])) {
-			        			$remind_question_id = $my_remind_list[$j+1];
-			        			$current_question = $i + 1;
-			        		} else {
+        // Checking which questions we are going to call from the remind list
+        for ($i = 0; $i < count($data_tracking); $i++) {
+            for($j = 0; $j < count($my_remind_list); $j++) {
+
+                if (!empty($remind_question_id)) {
+                    if ($remind_question_id == $my_remind_list[$j]) {
+
+                        if ($remind_question_id == $data_tracking[$i]) {
+                            if (isset($my_remind_list[$j+1])) {
+                                $remind_question_id = $my_remind_list[$j+1];
+                                $current_question = $i + 1;
+                            } else {
                                 // We end the remind list we go to the exercise_reminder.php please
-			        			$remind_question_id = -1;
-			        			$current_question = $i + 1; // last question
-			        		}
-			        		break 2;
-			            }
-					}
-				} else {
-					if ($my_remind_list[$j] == $data_tracking[$i]) {
-						if (isset($my_remind_list[$j+1])) {
-							$remind_question_id = $my_remind_list[$j+1];
-							$current_question = $i + 1; // last question
-						} else {
+                                $remind_question_id = -1;
+                                $current_question = $i + 1; // last question
+                            }
+                            break 2;
+                        }
+                    }
+                } else {
+                    if ($my_remind_list[$j] == $data_tracking[$i]) {
+                        if (isset($my_remind_list[$j+1])) {
+                            $remind_question_id = $my_remind_list[$j+1];
+                            $current_question = $i + 1; // last question
+                        } else {
                             // We end the remind list we go to the exercise_reminder.php please
-							$remind_question_id = -1;
-							$current_question = $i + 1; // last question
-						}
-						break 2;
-					}
-				}
-			}
+                            $remind_question_id = -1;
+                            $current_question = $i + 1; // last question
+                        }
+                        break 2;
+                    }
+                }
+            }
         }
     } else {
-    	if ($objExercise->review_answers) {
+        if ($objExercise->review_answers) {
             if ($debug) { error_log('. redirecting to exercise_reminder.php '); }
-	    	header("Location: exercise_reminder.php?$params");
-	    	exit;
-    	}
+            header("Location: exercise_reminder.php?$params");
+            exit;
+        }
     }
 }
 
 if ($objExercise->review_answers) {
-	$script_php = 'exercise_reminder.php';
+    $script_php = 'exercise_reminder.php';
 } else {
-	$script_php = 'exercise_result.php';
+    $script_php = 'exercise_result.php';
 }
 
 if (!empty($error)) {
@@ -1084,7 +1084,7 @@ 
          <input type="hidden" name="learnpath_item_id" 		value="'.$learnpath_item_id . '" />
          <input type="hidden" name="learnpath_item_view_id" value="'.$learnpath_item_view_id . '" />';
 
-	// Show list of questions
+    // Show list of questions
     $i = 1;
     $attempt_list = array();
     if (isset($exe_id)) {
@@ -1134,10 +1134,10 @@ 
 
         $attributes = array('id' =>'remind_list['.$questionId.']');
         if (in_array($questionId, $remind_list)) {
-        	$is_remind_on = true;
-        	$attributes['checked'] = 1;
-        	$remind_question = true;
-        	$remind_highlight = ' remind_highlight ';
+            $is_remind_on = true;
+            $attributes['checked'] = 1;
+            $remind_question = true;
+            $remind_highlight = ' remind_highlight ';
         }
 
         // Showing the exercise description
@@ -1211,8 +1211,8 @@ 
     }
     // end foreach()
     if ($objExercise->type == ALL_ON_ONE_PAGE) {
-    	$exercise_actions =  $objExercise->show_button($questionId, $current_question);
-    	echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
+        $exercise_actions =  $objExercise->show_button($questionId, $current_question);
+        echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
         echo '<br>';
     }
     echo '</form>';