chamilo / chamilo-lms

                            if (!$switchable_answer_set) {

                                // Needed to parse ' and " characters

                                $user_tags[$i] = stripslashes($user_tags[$i]);

                                if ($correct_tags[$i] == $user_tags[$i]) {

                                    // gives the related weighting to the student

                                    $questionScore += $answerWeighting[$i];

                                    // increments total score

                                    $totalScore += $answerWeighting[$i];

                                    // adds the word in green at the end of the string

                                    $answer .= $correct_tags[$i];

                                } elseif (!empty($user_tags[$i])) {

                                    // else if the word entered by the student IS NOT the same as the one defined by the professor

                                    // adds the word in red at the end of the string, and strikes it

                                    $answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';

                                } else {

                                    // adds a tabulation if no word has been typed by the student

                                    $answer .= ''; // remove   that causes issue

                                }

                            } else {

                                // switchable fill in the blanks

                                if (in_array($user_tags[$i], $correct_tags)) {

                        }

                        // Needed to parse ' and " characters

                        $userTags[$i] = stripslashes($userTags[$i]);

                        if ($correctTags[$i] == $userTags[$i]) {

                            // gives the related weighting to the student

                            $questionScore += $answerWeighting[$i];

                            // increments total score

                            $totalScore += $answerWeighting[$i];

                            // adds the word in green at the end of the string

                            $answer .= $correctTags[$i];

                        } elseif (!empty($userTags[$i])) {

                            // else if the word entered by the student IS NOT the same as the one defined by the professor

                            // adds the word in red at the end of the string, and strikes it

                            $answer .= '<font color="red"><s>' . $userTags[$i] . '</s></font>';

                        } else {

                            // adds a tabulation if no word has been typed by the student

                            $answer .= ''; // remove   that causes issue

                        }

                        $addCorrecWord = true;