WordPress函数：allowed_tags

一、函数简介

以HTML格式显示所有允许的带有属性的标签。（Displays all of the allowed tags in HTML format with attributes.）

 

二、函数参数

* @return string HTML allowed tags entity encoded.

 

三、函数案例

<?php allowed_tags() ?>

 

 

四、源代码

/**
 * Displays all of the allowed tags in HTML format with attributes.
 *
 * This is useful for displaying in the comment area, which elements and
 * attributes are supported. As well as any plugins which want to display it.
 *
 * @since 1.0.1
 * @since 4.4.0 No longer used in core.
 *
 * @global array $allowedtags
 *
 * @return string HTML allowed tags entity encoded.
 */
function allowed_tags() {
	global $allowedtags;
	$allowed = '';
	foreach ( (array) $allowedtags as $tag => $attributes ) {
		$allowed .= '<' . $tag;
		if ( 0 < count( $attributes ) ) {
			foreach ( $attributes as $attribute => $limits ) {
				$allowed .= ' ' . $attribute . '=""';
			}
		}
		$allowed .= '> ';
	}
	return htmlentities( $allowed );
}