wp_kses_split( string $string, array[]|string $allowed_html, string[] $allowed_protocols )
Searches for HTML tags, no matter how malformed.
Description
It also matches stray > characters.
Parameters
- $string
-  (string) (Required) Content to filter. 
- $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. 
Return
(string) Content with fixed HTML tags
Source
File: wp-includes/kses.php
function wp_kses_split( $string, $allowed_html, $allowed_protocols ) {
	global $pass_allowed_html, $pass_allowed_protocols;
	$pass_allowed_html      = $allowed_html;
	$pass_allowed_protocols = $allowed_protocols;
	return preg_replace_callback( '%(<!--.*?(-->|$))|(<[^>]*(>|$)|>)%', '_wp_kses_split_callback', $string );
}  Changelog
| Version | Description | 
|---|---|
| 1.0.0 | Introduced. | 
    © 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/functions/wp_kses_split