[pre_post_mime_type] WP_Hook Object ( [callbacks] => Array ( [10] => Array ( [sanitize_mime_type] => Array ( [function] => sanitize_mime_type [accepted_args] => 1 ) ) ) [priorities:protected] => Array ( [0] => 10 ) [iterations:WP_Hook:private] => Array ( ) [current_priority:WP_Hook:private] => Array ( ) [nesting_level:WP_Hook:private] => 0 [doing_action:WP_Hook:private] => )Skip to content