learndash_recursive_rmdir()
Function: Removes a directory from the given path recursively.
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global
learndash_validate_extensions()
Function: Utility function to parse and validate whether the assignment upload extensions are allowed.
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learndash_format_course_points()
Function: Formats course points to the specified decimal value.
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array_map_r()
Function: Utility function to traverse the multidimensional array and apply user function.
learndash_ob_get_clean()
Function: Helper function for PHP output buffering.
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ld_remove_lessons_and_quizzes_page()
Function: Redirects to the home page if the user lands on archive pages for lesson or quiz post types.
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learndash_post_type_has_archive()
Function: Checks if a LearnDash post type has archive support or not.
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learndash_remove_comments()
Function: Removes all comments for learndash post types.
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learndash_comments_open()
Function: Ensures the comments are open for assignments.
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learndash_seconds_to_time()
Function: Converts the seconds to time output.
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learndash_adjust_date_time_display()
Function: Converts a GMT timestamp to local timezone adjusted display.
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learndash_get_timestamp_from_date_string()
Function: Converts a date string to timestamp.
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ld_footer_payment_buttons()
Function: Prints the dropdown button to the footer.
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learndash_get_footer()
Function: Dequeues the jquery dropdown js if dropdown button is empty.
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learndash_payment_buttons_shortcode()
Function: Builds the `[learndash_payment_buttons]` shortcode output.
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learndash_is_sample()
Function: Checks if a lesson, topic, or quiz is a sample or not.
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learndash_add_theme_support()
Function: Adds the post thumbnail theme support for custom post types.
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