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function is not described

wp_kses_hook() WP 1.0.0

You add any KSES hooks here.

There is currently only one KSES WordPress hook, pre_kses, and it is called here. All parameters are passed to the hooks and expected to receive a string.

Hooks from the function
Return

String. Filtered content through pre_kses hook.

Usage

wp_kses_hook( $string, $allowed_html, $allowed_protocols );
$string(string) (required)
Content to filter through KSES.
$allowed_html(array[]|string) (required)
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[]) (required)
Array of allowed URL protocols.

Changelog

Since 1.0.0 Introduced.

Code of wp_kses_hook() WP 5.7.2

<?php
function wp_kses_hook( $string, $allowed_html, $allowed_protocols ) {
	/**
	 * Filters content to be run through KSES.
	 *
	 * @since 2.3.0
	 *
	 * @param string         $string            Content to filter through KSES.
	 * @param array[]|string $allowed_html      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.
	 * @param string[]       $allowed_protocols Array of allowed URL protocols.
	 */
	return apply_filters( 'pre_kses', $string, $allowed_html, $allowed_protocols );
}