WordPress函数:has_custom_logo

一、函数简介

确定网站是否具有自定义徽标。(Determines whether the site has a custom logo.)  

 

二、函数参数

  • @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
  • @return bool Whether the site has a custom logo or not.

 

三、函数案例

(一)、案例1

<?php echo has_custom_logo( $blog_id = 0 ) ?>

1 表示有自定义徽标

0 表示无自定义徽标

 

四、源代码

/**
 * Determines whether the site has a custom logo.
 *
 * @since 4.5.0
 *
 * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog.
 * @return bool Whether the site has a custom logo or not.
 */
function has_custom_logo( $blog_id = 0 ) {
	$switched_blog = false;

	if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) {
		switch_to_blog( $blog_id );
		$switched_blog = true;
	}

	$custom_logo_id = get_theme_mod( 'custom_logo' );
	$is_image       = ( $custom_logo_id ) ? wp_attachment_is_image( $custom_logo_id ) : false;

	if ( $switched_blog ) {
		restore_current_blog();
	}

	return $is_image;
}

 

 

THE END