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This files describes API changes in /mod/quiz/report/statistics/*,
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information provided here is intended especially for developers.
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=== 4.3 ===
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* The methods quiz_statistics_report::calculate_questions_stats_for_question_bank and get_all_stats_and_analysis
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(which are really private to the quiz, and not part of any API you should be using) now have a new
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optional argument $calculateifrequired.
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* In the past, the methods \quiz_statistics\calculator::get_last_calculated_time() and calculator::get_cached()
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only returned the pre-computed statistics if they were computed less than 15 minutes ago. Now, they will
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always return any computed statistics that exist. Therefore, the constant calculator::TIME_TO_CACHE has been
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deprecated.
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=== 3.2 ===
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* The function quiz_statistics_graph_get_new_colour() is deprecated in favour of the
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funtionality present in the new charting library.
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* The function quiz_statistics_renumber_placeholders() is removed as the changes
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in MDL-31243 and MDL-27072 make this redundant.
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