Question

has_custom_logo( int $blog_id )

Determines whether the site has a custom logo.

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description

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参数

$blog_id

(int) (Optional) ID of the blog in question. Default is the ID of the current blog.

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返回值

(bool) Whether the site has a custom logo or not.

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源代码

File: wp-includes/general-template.php

function has_custom_logo( $blog_id = 0 ) {
	$switched_blog = false;

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

	$custom_logo_id = get_theme_mod( 'custom_logo' );

	if ( $switched_blog ) {
		restore_current_blog();
	}

	return (bool) $custom_logo_id;
}

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更新日志

Version	description
4.5.0	Introduced.

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相关函数

Uses

• wp-includes/theme.php: get_theme_mod()
• wp-includes/load.php: is_multisite()
• wp-includes/load.php: get_current_blog_id()
• wp-includes/ms-blogs.php: switch_to_blog()
• wp-includes/ms-blogs.php: restore_current_blog()

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Used By

• wp-includes/post-template.php: get_body_class()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note Contributed by Anthony Hortin

   See Also
   the_custom_logo()
   get_custom_logo()

To get the URL of the custom logo image:

$custom_logo_id = get_theme_mod( 'custom_logo' );
$image = wp_get_attachment_image_src( $custom_logo_id , 'full' );
echo $image[0];