wp_lazy_loading_enabled

函数
wp_lazy_loading_enabled ( $tag_name, $context )
参数
  • (string) $tag_name The tag name.
    Required:
  • (string) $context Additional context, like the current filter name or the function name from where this was called.
    Required:
返回值
  • (bool) Whether to add the attribute.
定义位置
相关方法
wp_maybe_load_embedswp_revisions_enabledwp_media_upload_handlerwp_omit_loading_attr_thresholdwp_load_image
引入
5.5.0
弃用
-

wp_lazy_loading_enabled: 该函数检查当前WordPress安装中是否启用了懒人加载功能。

决定是否在指定的上下文中为指定的标签添加`loading`属性。

function wp_lazy_loading_enabled( $tag_name, $context ) {
	// By default add to all 'img' and 'iframe' tags.
	// See https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-loading
	// See https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-loading
	$default = ( 'img' === $tag_name || 'iframe' === $tag_name );

	/**
	 * Filters whether to add the `loading` attribute to the specified tag in the specified context.
	 *
	 * @since 5.5.0
	 *
	 * @param bool   $default  Default value.
	 * @param string $tag_name The tag name.
	 * @param string $context  Additional context, like the current filter name
	 *                         or the function name from where this was called.
	 */
	return (bool) apply_filters( 'wp_lazy_loading_enabled', $default, $tag_name, $context );
}

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