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