learndash_validate_extensions

learndash_validate_extensions( array|string $exts = array() )

Utility function to parse and validate whether the assignment upload extensions are allowed.

Description #

This utility function will trim, convert to lowercase and removes . from the extension.

$exts

(array|string) (Optional) An array of file extensions.

Default value: array()

(array) $exts An array of validated file extensions.

Changelog
Version	Description
2.5.0	Introduced.

Uses
Uses	Description
includes/ld-misc-functions.php: learndash_get_ignored_upload_file_extensions ()	Utility function to return a list of ignored/disallowed upload file extensions.

Used By
Used By	Description
includes/ld-misc-functions.php: learndash_get_allowed_upload_mime_extensions_for_post ()	Utility function to return a list of allowed upload file extensions.
includes/settings/settings-metaboxes/class-ld-settings-metabox-topic-display-content.php: LearnDash_Settings_Metabox_Topic_Display_Content::filter_saved_fields ()	Filter settings values for metabox before save to database.
includes/settings/settings-metaboxes/class-ld-settings-metabox-lesson-display-content.php: LearnDash_Settings_Metabox_Lesson_Display_Content::filter_saved_fields ()	Filter settings values for metabox before save to database.