New and updated in 5.9.0

Returns the default slugs for all the presets in an associative array whose keys are the preset paths and the leafs is the list of slugs.

Gets a `default`’s preset name by a provided slug.

Removes the preset values whose slug is equal to any of given slugs.

Removes insecure data from theme.json.

Processes a setting node and returns the same node without the insecure settings.

Processes a style node and returns the same node without the insecure styles.

Checks that a declaration provided by the user is safe.

Gets preset values keyed by slugs based on settings and metadata.

Similar to get_settings_values_by_slug, but doesn’t compute the value.

Transforms a slug into a CSS Custom Property.

Returns the page templates of the active theme.

Returns the template part data of active theme.

Converts each style section into a list of rulesets containing the block styles to be appended to the stylesheet.

Creates new rulesets as classes for each preset value such as:

Function that scopes a selector with another one. This works a bit like SCSS nesting except the `&` operator isn’t supported.

Enables some opt-in settings if theme declared support.

Enables some settings.