filter_block_kses_value()

filter_block_kses_value() — Filters and sanitizes a parsed block attribute value to remove non-allowable HTML.

Inputs: $value (string[]|string): The attribute value to filter. $allowed_html (array[]|string): An array of allowed HTML elements and attributes, or a context name such as ‘post’. See wp_kses_allowed_html() for the list of accepted context names. $allowed_protocols (string[]): Optional. Array of allowed URL protocols. Defaults to the result of wp_allowed_protocols(). $block_context (array): Optional. The block the attribute belongs to, in parsed block array format.

Returns string[]|string: The filtered and sanitized result.