WordPress at a glance
function is not described

wp_html_split() WP 4.2.4

Separate HTML elements and comments from the text.

No Hooks.

Return

Array. The formatted text.

Usage

wp_html_split( $input );
$input(string) (required)
The text which has to be formatted.

Code of wp html split: wp-includes/formatting.php VER 5.0.3

<?php
function wp_html_split( $input ) {
	return preg_split( get_html_split_regex(), $input, -1, PREG_SPLIT_DELIM_CAPTURE );
}