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wp_kses_normalize_entities( string $string )

Converts and fixes HTML entities.

Description

This function normalizes HTML entities. It will convert AT&T to the correct AT&T, : to :, &#XYZZY; to &#XYZZY; and so on.

Parameters

$string

(string) (Required) Content to normalize entities.

Return

(string) Content with normalized entities.

Source

File: wp-includes/kses.php

function wp_kses_normalize_entities( $string ) {
	// Disarm all entities by converting & to &
	$string = str_replace( '&', '&', $string );

	// Change back the allowed entities in our entity whitelist
	$string = preg_replace_callback( '/&([A-Za-z]{2,8}[0-9]{0,2});/', 'wp_kses_named_entities', $string );
	$string = preg_replace_callback( '/&#(0*[0-9]{1,7});/', 'wp_kses_normalize_entities2', $string );
	$string = preg_replace_callback( '/&#[Xx](0*[0-9A-Fa-f]{1,6});/', 'wp_kses_normalize_entities3', $string );

	return $string;
}

Changelog

Version Description
1.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_kses_normalize_entities