is_post_type_viewable
Filter Hook: Filters whether a post type is considered “viewable”.
Source: wp-includes/post.php:2022
is_protected_endpoint
Filter Hook: Filters whether the current request is against a protected endpoint.
Source: wp-includes/load.php:1051
is_protected_meta
Filter Hook: Filters whether a meta key is considered protected.
Source: wp-includes/meta.php:1297
is_sticky
Filter Hook: Filters whether a post is sticky.
Source: wp-includes/post.php:2425
is_wide_widget_in_customizer
Filter Hook: Filters whether the given widget is considered “wide”.
Source: wp-includes/class-wp-customize-widgets.php:593
is_wp_error_instance
Action Hook: Fires when `is_wp_error()` is called and its parameter is an instance of `WP_Error`.
Source: wp-includes/load.php:1631
jpeg_quality
Filter Hook: Filters the JPEG compression quality for backward-compatibility.
Source: wp-includes/class-wp-image-editor.php:279
js_escape
Filter Hook: Filters a string cleaned and escaped for output in JavaScript.
Source: wp-includes/formatting.php:4608
kses_allowed_protocols
Filter Hook: Filters the list of protocols allowed in HTML attributes.
Source: wp-includes/functions.php:7054
lang_codes
Filter Hook: Filters the language codes.
Source: wp-admin/includes/ms.php:547