Static Public Member Functions
static	load_aggregate_statistics (array $questionids, array $requiredstatistics)
	Load and aggregate the requested statistics for all the places where the given questions are used.

Static Protected Member Functions
static	extract_item_value (all_calculated_for_qubaid_condition $statistics, int $questionid, string $item)
	Extract the value for one question and one type of statistic from a set of statistics.

static	get_all_places_where_questions_were_attempted (array $questionids)
	For a list of questions find all the places, defined by (component, contextid), where there are attempts.

static	load_statistics_for_place (string $component, context $context)
	Load the question statistics for all the attempts belonging to a particular component in a particular context.

Member Function Documentation

◆ extract_item_value()

static core_question\local\statistics\statistics_bulk_loader::extract_item_value	(	all_calculated_for_qubaid_condition	$statistics,
		int	$questionid,
		string	$item )

staticprotected

Extract the value for one question and one type of statistic from a set of statistics.

Parameters

all_calculated_for_qubaid_condition	$statistics	the batch of statistics.
int	$questionid	a question id.
string	$item	one of the field names in all_calculated_for_qubaid_condition, e.g. 'facility'.

Return values

float|null the required value.

static core_question\local\statistics\statistics_bulk_loader::get_all_places_where_questions_were_attempted ( array $questionids )

staticprotected

For a list of questions find all the places, defined by (component, contextid), where there are attempts.

Parameters

int[] $questionids array of question ids that we are interested in.

Return values

stdClass[] list of objects with fields ->component and ->contextid.

static core_question\local\statistics\statistics_bulk_loader::load_aggregate_statistics	(	array	$questionids,
		array	$requiredstatistics )

static

Load and aggregate the requested statistics for all the places where the given questions are used.

The returned array will contain a values for each questionid and field, which will be null if the value is not available.

Parameters

int[]	$questionids	array of question ids.
string[]	$requiredstatistics	array of the fields required, e.g. ['facility', 'discriminationindex'].

Return values

float[][] if a value is not available, it will be set to null.

static core_question\local\statistics\statistics_bulk_loader::load_statistics_for_place	(	string	$component,
		context	$context )

staticprotected

Load the question statistics for all the attempts belonging to a particular component in a particular context.

Parameters

string	$component	frankenstyle component name, e.g. 'mod_quiz'.
context	$context	the context to load the statistics for.

Return values

all_calculated_for_qubaid_condition|null question statistics.

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