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Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
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/course/classes/cache/ -> course_image.php (source)

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Defines 1 class

course_image:: (4 methods):
  get_instance_for_cache()
  load_for_cache()
  get_image_url_from_overview_files()
  load_many_for_cache()


Class: course_image  - X-Ref

Class to describe cache data source for course image.

get_instance_for_cache(cache_definition $definition)   X-Ref
Returns an instance of the data source class that the cache can use for loading data using the other methods
specified by this interface.

param: cache_definition $definition
return: \core_course\cache\course_image

load_for_cache($key)   X-Ref
Loads the data for the key provided ready formatted for caching.

param: string|int $key The key to load.
return: string|bool Returns course image url as a string or false if the image is not exist

get_image_url_from_overview_files(\stdClass $course)   X-Ref
Returns image URL from course overview files.

param: \stdClass $course Course object.
return: null|string Image URL or null if it's not exists.

load_many_for_cache(array $keys)   X-Ref
Loads several keys for the cache.

param: array $keys An array of keys each of which will be string|int.
return: array An array of matching data items.