Files
file	datasetdefinitions_form.php
	Defines the editing form for the calculated question data set definitions.

file	datasetitems_form.php
	Defines the editing form for the calculated question data set items.

file	edit_calculated_form.php
	Defines the editing form for the calculated question type.

file	edit_calculatedmulti_form.php
	Defines the editing form for calculated multiple-choice questions.

file	edit_calculatedsimple_form.php
	Defines the editing form for the calculated simplequestion type.

file	edit_description_form.php
	Defines the editing form for the description question type.

file	edit_essay_form.php
	Defines the editing form for the essay question type.

file	edit_missingtype_form.php
	Defines the editing form for the 'missingtype' question type.

file	edit_multianswer_form.php
	Defines the editing form for the multi-answer question type.

file	edit_multichoice_form.php
	Defines the editing form for the multiple choice question type.

file	edit_numerical_form.php
	Defines the editing form for the numerical question type.

file	edit_random_form.php
	Defines the editing form for the random question type.

file	edit_shortanswer_form.php
	Defines the editing form for the shortanswer question type.

file	edit_truefalse_form.php
	Defines the editing form for the true-false question type.

file	helper.php
	Test helpers for the truefalse question type.

file	helper.php
	Test helpers for the numerical question type.

file	helper.php
	Test helpers for the simple calculated question type.

file	helper.php
	Test helpers for the calculated question type.

file	helper.php
	Test helpers for the calculated question type.

file	lib.php
	@subpackage truefalse

file	lib.php
	@subpackage shortanswer

file	lib.php
	@subpackage numerical

file	lib.php
	@subpackage multichoice

file	lib.php
	@subpackage multianswer

file	lib.php
	@subpackage essay

file	lib.php
	@subpackage calculated

file	question.php
	True-false question definition class.

file	question.php
	Short answer question definition class.

file	question.php
	Numerical question definition class.

file	question.php
	Multiple choice question definition classes.

file	question.php
	Multianswer question definition class.

file	question.php
	Defines the 'qtype_missingtype' question definition class.

file	question.php
	Essay question definition class.

file	question.php
	Description 'question' definition class.

file	question.php
	Calculated (simple) question definition class.

file	question.php
	Calculated multiple-choice question definition class.

file	question.php
	Calculated question definition class.

file	questiontype.php
	Question type class for the true-false question type.

file	questiontype.php
	Question type class for the short answer question type.

file	questiontype.php
	Question type class for the random question type.

file	questiontype.php
	Question type class for the numerical question type.

file	questiontype.php
	The questiontype class for the multiple choice question type.

file	questiontype.php
	Question type class for the multi-answer question type.

file	questiontype.php
	Question type class for the 'missingtype' type.

file	questiontype.php
	Question type class for the essay question type.

file	questiontype.php
	Question type class for the description 'question' type.

file	questiontype.php
	Question type class for the simple calculated question type.

file	questiontype.php
	Question type class for the calculated multiple-choice question type.

file	questiontype.php
	Question type class for the calculated question type.

file	renderer.php
	True-false question renderer class.

file	renderer.php
	Short answer question renderer class.

file	renderer.php
	Multiple choice question renderer classes.

file	renderer.php
	Multianswer question renderer classes.

file	renderer.php
	Defines the 'missingtype' question renderer class.

file	renderer.php
	Essay question renderer class.

file	renderer.php
	Description 'question' renderer class.

file	renderer.php
	Calculated (simple) question renderer class.

file	renderer.php
	Calculated multiple-choice question renderer class.

file	renderer.php
	Calculated question renderer class.

file	upgrade.php
	Short-answer question type upgrade code.

file	upgrade.php
	Numerical question type upgrade code.

file	upgrade.php
	Multiple choice question type upgrade code.

file	upgrade.php
	Multi-answer question type upgrade code.

file	upgrade.php
	Essay question type upgrade code.

file	upgrade.php
	Calculated question type upgrade code.

file	upgradelib.php
	Upgrade library code for the truefalse question type.

file	upgradelib.php
	Upgrade library code for the shortanswer question type.

file	upgradelib.php
	Upgrade library code for the numerical question type.

file	upgradelib.php
	Upgrade library code for the multichoice question type.

file	upgradelib.php
	Upgrade library code for the multianswer question type.

file	upgradelib.php
	Upgrade library code for the essay question type.

file	upgradelib.php
	Upgrade library code for the description question type.

file	upgradelib.php
	Upgrade library code for the simple calculated question type.

file	upgradelib.php
	Upgrade library code for the calculated multiple-choice question type.

file	upgradelib.php
	Upgrade library code for the calculated question type.

file	version.php
	Version information for the true/false question type.

file	version.php
	Short answer question type version information.

file	version.php
	Version information for the random question type.

file	version.php
	Version information for the numerical question type.

file	version.php
	Version information for the multiple choice question type.

file	version.php
	Version information for the multi-answer question type.

file	version.php
	Version information for missing question type plugin.

file	version.php
	Version information for the essay question type.

file	version.php
	Version information for the description 'question' type.

file	version.php
	Version information for the simple calculated question type.

file	version.php
	Version information for the calculated multiple-choice question type.

file	version.php
	Version information for the calculated question type.

Classes
class	moodle1_qtype_calculated_handler
	Calculated question type conversion handler. More...

class	moodle1_qtype_essay_handler
	Short answer question type conversion handler. More...

class	moodle1_qtype_multianswer_handler
	Multianswer (aka embedded, cloze) question type conversion handler. More...

class	moodle1_qtype_multichoice_handler
	Multichoice question type conversion handler. More...

class	moodle1_qtype_numerical_handler
	Multichoice question type conversion handler. More...

class	moodle1_qtype_shortanswer_handler
	Short answer question type conversion handler. More...

class	moodle1_qtype_truefalse_handler
	True/false question type conversion handler. More...

class	qtype_calculated
	The calculated question type. More...

class	qtype_calculated_dataset_loader
	This class is responsible for loading the dataset that a question needs from the database. More...

class	qtype_calculated_edit_form
	Calculated question type editing form definition. More...

class	qtype_calculated_qe2_attempt_updater
	Class for converting attempt data for calculated questions when upgrading attempts to the new question engine. More...

class	qtype_calculated_question
	Represents a calculated question. More...

class	qtype_calculated_question_helper
	Helper class for questions that use datasets. More...

interface	qtype_calculated_question_with_expressions
	This interface defines the method that a quetsion type must implement if it is to work with qtype_calculated_question_helper. More...

class	qtype_calculated_renderer
	Generates the output for calculated questions. More...

class	qtype_calculated_test_dataset_loader
	Test implementation of qtype_calculated_dataset_loader. More...

class	qtype_calculated_test_helper
	Test helper class for the calculated question type. More...

class	qtype_calculated_variable_substituter
	This class holds the current values of all the variables used by a calculated question. More...

class	qtype_calculatedmulti
	The calculated multiple-choice question type. More...

class	qtype_calculatedmulti_calculate_helper
	Helper to abstract common code between qtype_calculatedmulti_single_question and qtype_calculatedmulti_multi_question. More...

class	qtype_calculatedmulti_edit_form
	Calculated multiple-choice question editing form. More...

class	qtype_calculatedmulti_multi_question
	Represents a calculated multiple-choice multiple-response question. More...

class	qtype_calculatedmulti_qe2_attempt_updater
	Class for converting attempt data for calculated multiple-choice questions when upgrading attempts to the new question engine. More...

class	qtype_calculatedmulti_renderer
	Generates the output for calculated multiple-choice questions. More...

class	qtype_calculatedmulti_single_question
	Represents a calculated multiple-choice multiple-response question. More...

class	qtype_calculatedmulti_test_helper
	Test helper class for the calculated multiple-choice question type. More...

class	qtype_calculatedsimple
	The simple calculated question type. More...

class	qtype_calculatedsimple_edit_form
	Editing form for the calculated simplequestion type. More...

class	qtype_calculatedsimple_qe2_attempt_updater
	Class for converting attempt data for simple calculated questions when upgrading attempts to the new question engine. More...

class	qtype_calculatedsimple_question
	Represents a simple calculated question. More...

class	qtype_calculatedsimple_renderer
	Generates the output for simple calculated questions. More...

class	qtype_calculatedsimple_test_helper
	Test helper class for the simple calculated question type. More...

class	qtype_description
	The description 'question' type. More...

class	qtype_description_edit_form
	Description editing form definition. More...

class	qtype_description_qe2_attempt_updater
	Class for converting attempt data for description questions when upgrading attempts to the new question engine. More...

class	qtype_description_question
	Represents a description 'question'. More...

class	qtype_description_renderer
	Generates the output for description 'question's. More...

class	qtype_essay
	The essay question type. More...

class	qtype_essay_edit_form
	Essay question type editing form. More...

class	qtype_essay_format_editor_renderer
	An essay format renderer for essays where the student should use the HTML editor without the file picker. More...

class	qtype_essay_format_editorfilepicker_renderer
	An essay format renderer for essays where the student should use the HTML editor with the file picker. More...

class	qtype_essay_format_monospaced_renderer
	An essay format renderer for essays where the student should use a plain input box with a monospaced font. More...

class	qtype_essay_format_noinline_renderer
	An essay format renderer for essays where the student should not enter any inline response. More...

class	qtype_essay_format_plain_renderer
	An essay format renderer for essays where the student should use a plain input box, but with a normal, proportional font. More...

class	qtype_essay_format_renderer_base
	A base class to abstract out the differences between different type of response format. More...

class	qtype_essay_qe2_attempt_updater
	Class for converting attempt data for essay questions when upgrading attempts to the new question engine. More...

class	qtype_essay_question
	Represents an essay question. More...

class	qtype_essay_renderer
	Generates the output for essay questions. More...

class	qtype_missingtype
	Missing question type class. More...

class	qtype_missingtype_edit_form
	This question renderer class is used when the actual question type of this question cannot be found. More...

class	qtype_missingtype_question
	This question definition class is used when the actual question type of this question cannot be found. More...

class	qtype_missingtype_renderer
	This question renderer class is used when the actual question type of this question cannot be found. More...

class	qtype_multianswer
	The multi-answer question type class. More...

class	qtype_multianswer_edit_form
	Form for editing multi-answer questions. More...

class	qtype_multianswer_multichoice_horizontal_renderer
	Render an embedded multiple-choice question vertically, like for a normal multiple-choice question. More...

class	qtype_multianswer_multichoice_inline_renderer
	Render an embedded multiple-choice question that is displayed as a select menu. More...

class	qtype_multianswer_multichoice_vertical_renderer
	Render an embedded multiple-choice question vertically, like for a normal multiple-choice question. More...

class	qtype_multianswer_multiresponse_horizontal_renderer
	Render an embedded multiple-response question horizontally. More...

class	qtype_multianswer_multiresponse_vertical_renderer
	Class qtype_multianswer_multiresponse_renderer. More...

class	qtype_multianswer_qe2_attempt_updater
	Class for converting attempt data for multianswer questions when upgrading attempts to the new question engine. More...

class	qtype_multianswer_question
	Represents a multianswer question. More...

class	qtype_multianswer_renderer
	Base class for generating the bits of output common to multianswer (Cloze) questions. More...

class	qtype_multianswer_subq_renderer_base
	Subclass for generating the bits of output specific to shortanswer subquestions. More...

class	qtype_multianswer_textfield_renderer
	Subclass for generating the bits of output specific to shortanswer subquestions. More...

class	qtype_multichoice
	The multiple choice question type. More...

class	qtype_multichoice_base
	Base class for multiple choice questions. More...

class	qtype_multichoice_edit_form
	Multiple choice editing form definition. More...

class	qtype_multichoice_multi_question
	Represents a multiple choice question where multiple choices can be selected. More...

class	qtype_multichoice_multi_renderer
	Subclass for generating the bits of output specific to multiple choice multi=select questions. More...

class	qtype_multichoice_qe2_attempt_updater
	Class for converting attempt data for multichoice questions when upgrading attempts to the new question engine. More...

class	qtype_multichoice_renderer_base
	Base class for generating the bits of output common to multiple choice single and multiple questions. More...

class	qtype_multichoice_single_question
	Represents a multiple choice question where only one choice should be selected. More...

class	qtype_multichoice_single_renderer
	Subclass for generating the bits of output specific to multiple choice single questions. More...

class	qtype_numerical
	The numerical question type class. More...

class	qtype_numerical_answer
	Subclass of question_answer with the extra information required by the numerical question type. More...

class	qtype_numerical_answer_processor
	This class processes numbers with units. More...

class	qtype_numerical_edit_form
	numerical editing form definition. More...

class	qtype_numerical_qe2_attempt_updater
	Class for converting attempt data for numerical questions when upgrading attempts to the new question engine. More...

class	qtype_numerical_question
	Represents a numerical question. More...

class	qtype_numerical_test_helper
	Test helper class for the numerical question type. More...

class	qtype_random
	The random question type. More...

class	qtype_random_edit_form
	random editing form definition. More...

class	qtype_shortanswer
	The short answer question type. More...

class	qtype_shortanswer_edit_form
	Short answer question editing form definition. More...

class	qtype_shortanswer_qe2_attempt_updater
	Class for converting attempt data for shortanswer questions when upgrading attempts to the new question engine. More...

class	qtype_shortanswer_question
	Represents a short answer question. More...

class	qtype_shortanswer_renderer
	Generates the output for short answer questions. More...

class	qtype_truefalse
	The true-false question type class. More...

class	qtype_truefalse_edit_form
	True-false question editing form definition. More...

class	qtype_truefalse_qe2_attempt_updater
	Class for converting attempt data for truefalse questions when upgrading attempts to the new question engine. More...

class	qtype_truefalse_question
	Represents a true-false question. More...

class	qtype_truefalse_renderer
	Generates the output for true-false questions. More...

class	qtype_truefalse_test_helper
	Test helper class for the truefalse question type. More...

class	question_dataset_dependent_definitions_form
	Calculated question data set definitions editing form definition. More...

class	question_dataset_dependent_items_form
	Calculated question data set items editing form definition. More...

Functions
	qtype_calculated_calculate_answer ($formula, $individualdata, $tolerance, $tolerancetype, $answerlength, $answerformat='1', $unit='')

	qtype_calculated_find_formula_errors ($formula)
	Validate a forumula. More...

	qtype_calculated_find_formula_errors_in_text ($text)
	Validate all the forumulas in a bit of text. More...

	qtype_multianswer_extract_question ($text)

	qtype_multianswer_initialise_multichoice_subquestion ($wrapped)
	Initialise subquestion fields that are constant across all MULTICHOICE types. More...

	qtype_multianswer_validate_question (stdClass $question)
	Validate a multianswer question. More...

	xmldb_qtype_calculated_upgrade ($oldversion)
	Upgrade code for the calculated question type. More...

	xmldb_qtype_essay_upgrade ($oldversion)
	Upgrade code for the essay question type. More...

	xmldb_qtype_multianswer_upgrade ($oldversion)
	Upgrade code for the multi-answer question type. More...

	xmldb_qtype_multichoice_upgrade ($oldversion)
	Upgrade code for the multiple choice question type. More...

	xmldb_qtype_numerical_upgrade ($oldversion)
	Upgrade code for the numerical question type. More...

	xmldb_qtype_shortanswer_upgrade ($oldversion)
	Upgrade code for the essay question type. More...

Variables
global	$CFG

global	$CFG

global	$CFG

global	$CFG

const	ANSWER_ALTERNATIVE_ANSWER_REGEX '.+?(?<!\\\\\|&\|&)(?=[~#}]\|$)'

const	ANSWER_ALTERNATIVE_FEEDBACK_REGEX '.*?(?<!\\\\‍)(?=[~}]\|$)'

const	ANSWER_ALTERNATIVE_FRACTION_REGEX '=\|%(-?[0-9]+)%'

const	ANSWER_ALTERNATIVE_REGEX '(' . ANSWER_ALTERNATIVE_FRACTION_REGEX .')?' . '(' . ANSWER_ALTERNATIVE_ANSWER_REGEX . ')' . '(#(' . ANSWER_ALTERNATIVE_FEEDBACK_REGEX .'))?'

const	ANSWER_ALTERNATIVE_REGEX_ANSWER 3

const	ANSWER_ALTERNATIVE_REGEX_FEEDBACK 5

const	ANSWER_ALTERNATIVE_REGEX_FRACTION 1

const	ANSWER_ALTERNATIVE_REGEX_PERCENTILE_FRACTION 2

const	ANSWER_REGEX ANSWER_START_REGEX . '(' . ANSWER_ALTERNATIVE_REGEX . '(~' . ANSWER_ALTERNATIVE_REGEX . ')*)\}'

const	ANSWER_REGEX_ALTERNATIVES 16

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE 4

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE_HORIZONTAL 6

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE_HORIZONTAL_SHUFFLED 11

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE_REGULAR 5

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE_REGULAR_SHUFFLED 10

const	ANSWER_REGEX_ANSWER_TYPE_MULTICHOICE_SHUFFLED 9

const	ANSWER_REGEX_ANSWER_TYPE_MULTIRESPONSE 12

const	ANSWER_REGEX_ANSWER_TYPE_MULTIRESPONSE_HORIZONTAL 13

const	ANSWER_REGEX_ANSWER_TYPE_MULTIRESPONSE_HORIZONTAL_SHUFFLED 15

const	ANSWER_REGEX_ANSWER_TYPE_MULTIRESPONSE_SHUFFLED 14

const	ANSWER_REGEX_ANSWER_TYPE_NUMERICAL 3

const	ANSWER_REGEX_ANSWER_TYPE_SHORTANSWER 7

const	ANSWER_REGEX_ANSWER_TYPE_SHORTANSWER_C 8

const	ANSWER_REGEX_NORM 1

const	ANSWER_START_REGEX '\{([0-9]*):(' . ANSWER_TYPE_DEF_REGEX . '):'

const	ANSWER_TYPE_DEF_REGEX '(NUMERICAL\|NM)\|(MULTICHOICE\|MC)\|(MULTICHOICE_V\|MCV)\|(MULTICHOICE_H\|MCH)\|' . '(SHORTANSWER\|SA\|MW)\|(SHORTANSWER_C\|SAC\|MWC)\|' . '(MULTICHOICE_S\|MCS)\|(MULTICHOICE_VS\|MCVS)\|(MULTICHOICE_HS\|MCHS)\|'. '(MULTIRESPONSE\|MR)\|(MULTIRESPONSE_H\|MRH)\|(MULTIRESPONSE_S\|MRS)\|(MULTIRESPONSE_HS\|MRHS)'

$plugin	component = 'qtype_calculated'

$plugin	component = 'qtype_calculatedmulti'

$plugin	component = 'qtype_calculatedsimple'

$plugin	component = 'qtype_description'

$plugin	component = 'qtype_essay'

$plugin	component = 'qtype_missingtype'

$plugin	component = 'qtype_multianswer'

$plugin	component = 'qtype_multichoice'

$plugin	component = 'qtype_numerical'

$plugin	component = 'qtype_random'

$plugin	component = 'qtype_shortanswer'

$plugin	component = 'qtype_truefalse'

$plugin	dependencies

$plugin	dependencies

$plugin	dependencies

$plugin	dependencies

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

$plugin	maturity = MATURITY_STABLE

const	NUMBER_REGEX '-?(([0-9]+[.,]?[0-9]*\|[.,][0-9]+)([eE][-+]?[0-9]+)?)'

const	NUMERICAL_ABS_ERROR_MARGIN 6

const	NUMERICAL_ALTERNATIVE_REGEX '^(' . NUMBER_REGEX . ')(:' . NUMBER_REGEX . ')?$'

const	NUMERICAL_CORRECT_ANSWER 1

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	requires = 2019111200

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

$plugin	version = 2019111800

Detailed Description

Function Documentation

◆ qtype_calculated_find_formula_errors()

qtype_calculated_find_formula_errors ( $formula )

Validate a forumula.

Parameters

string $formula the formula to validate.

Return values

string|boolean false if there are no problems. Otherwise a string error message.

◆ qtype_calculated_find_formula_errors_in_text()

qtype_calculated_find_formula_errors_in_text ( $text )

Validate all the forumulas in a bit of text.

Parameters

string $text the text in which to validate the formulas.

Return values

string|boolean false if there are no problems. Otherwise a string error message.

◆ qtype_multianswer_initialise_multichoice_subquestion()

qtype_multianswer_initialise_multichoice_subquestion ( $wrapped )

Initialise subquestion fields that are constant across all MULTICHOICE types.

Parameters

objet $wrapped The subquestion to initialise

◆ qtype_multianswer_validate_question()

qtype_multianswer_validate_question ( stdClass $question )

Validate a multianswer question.

Parameters

object $question The multianswer question to validate as returned by qtype_multianswer_extract_question

Return values

array Array of error messages with questions field names as keys.