ITS_question_mobile Class Reference

Returns ITS question data. More...

Public Member Functions
	__construct ($student_id, $tb_name, mysqli $mysqli)
	ITS_question_mobile class constructor. More...
	render_QUESTION ($q_num, $mode)
	Returns question data based on question id number and mode. More...
	load_DATA_from_DB ($q_num)
	Loads question data from the database into the class variables. More...

Data Fields
	$tb_name
	MYSQL table name of where the question info are stored.
	$Q_type
	Question type can take: |m|c|mc|.
	$Q_num
	Question ID number.
	$Q_title
	Question title.
	$Q_question
	Question string.
	$Q_image
	Question image number, if applicable.
	$Q_answers
	Number of total answers for a question.
	$Q_category
	Question category.
	$Q_permutation
	For matching, is the randomized order of right hand values. For calculated, are the randomized numbers.
	$Q_answers_values = array()
	Question answer choices.

Private Member Functions
	calculated_STR_randomize ()
	For calculated questions replaces formula stored in $Q_question with the randomized numbers. More...
	image_TO_path ()
	If question contains image, turn $Q_image into the appropriate file path name. More...
	get_ANSWERS_data_from_DB ()
	Loads question answer choices into $Q_answers_values. More...
	randomize_MATCHING ()
	For matching questions randomizes $Q_answers_values[1] (right hand answer choices) More...

Private Attributes
	$id
	ITS student ID.
	$mysqli
	Mysqli object that has MYSQL database connection.
	$mode
	Either question or review mode.

Detailed Description

Returns ITS question data.

Date

February 22, 2014

Author

Ricky Liou

Greg Krudysz

Gordon Sulc

Todo:

Capablity to generate randomized decimal numbers for calculated questions

Example constructor:

$Q = new ITS_question_mobile(1, $mysqli); 

Example of fetching question data for question mode:

$Q_data = $Q->render_QUESTION(1, 'q');

Types: m | c | mc - | matching | calculated | multiple choice

Constructor & Destructor Documentation

__construct	(		$student_id,
			$tb_name,
		mysqli	$mysqli
	)

ITS_question_mobile class constructor.

Parameters

[in]	$student_id	User id number
[in]	$tb_name	MYSQL table name of where the question info are stored
[in]	$mysqli	mysqli object that contains the MYSQL database connection

Member Function Documentation

calculated_STR_randomize ( )

private

For calculated questions replaces formula stored in $Q_question with the randomized numbers.

For calculated questions replaces formula stored in $Q_question with the randomized numbers.

get_ANSWERS_data_from_DB ( )

private

Loads question answer choices into $Q_answers_values.

Loads question answer choices into $Q_answers_values.

image_TO_path ( )

private

If question contains image, turn $Q_image into the appropriate file path name.

If question contains image, turn $Q_image into the appropriate file path name.

load_DATA_from_DB

(

$q_num

)

Loads question data from the database into the class variables.

Parameters

$q_num

Question id number

randomize_MATCHING ( )

private

For matching questions randomizes $Q_answers_values[1] (right hand answer choices)

For matching questions randomizes $Q_answers_values[1] (right hand answer choices)

render_QUESTION	(		$q_num,
			$mode
	)

Returns question data based on question id number and mode.

Parameters

$q_num	Question id number
$mode	'q' for question, 'r' for review

Returns

$Q_num, $Q_type, $Q_title, $Q_question, $Q_image, $Q_answers, $Q_answers_values, $Q_category

---

The documentation for this class was generated from the following file:

• classes/ITS_question_mobile.php