WP_Image_Editor::get_default_quality()
Returns the default compression quality setting for the mime type.
WordPress 5.8.1 Hooks, Functions, Classes and Methods
_wp_check_alternate_file_names()
Helper function to test if each of an array of file names could conflict with existing files.
get_theme_feature_list()
Retrieves list of WordPress theme features (aka theme tags).
wp_get_default_extension_for_mime_type()
Returns first matched extension for the mime-type, as mapped from wp_get_mime_types().
wp_unique_filename
Filters the result when generating a unique file name.