Question

Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

wp_kses_normalize_entities3( array $matches )

Callback for wp_kses_normalize_entities() for regular expression.

---

description

This function helps wp_kses_normalize_entities() to only accept valid Unicode numeric entities in hex form.

---

参数

$matches

(array) (Required) preg_replace_callback() matches array

---

返回值

(string) Correctly encoded entity

---

源代码

File: wp-includes/kses.php

function wp_kses_normalize_entities3($matches) {
	if ( empty($matches[1]) )
		return '';

	$hexchars = $matches[1];
	return ( ! valid_unicode( hexdec( $hexchars ) ) ) ? "&#x$hexchars;" : '&#x'.ltrim($hexchars,'0').';';
}

---

更新日志

Version	description
2.7.0	Introduced.

---

相关函数

Uses

• wp-includes/kses.php: valid_unicode()

---

User Contributed Notes