has_custom_logo( int $blog_id ): bool

Determines whether the site has a custom logo.

Parameters

$blog_idintoptional: 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.

Source

wp-includes/general-template.php

Expand code

Copy

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;
}

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Uses	Description
get_theme_mod()`wp-includes/theme.php`	Retrieves theme modification value for the active theme.
wp_attachment_is_image()`wp-includes/post.php`	Determines whether an attachment is an image.
switch_to_blog()`wp-includes/ms-blogs.php`	Switches the current blog.
restore_current_blog()`wp-includes/ms-blogs.php`	Restores the current blog, after calling switch_to_blog() .
is_multisite()`wp-includes/load.php`	Determines whether Multisite is enabled.
get_current_blog_id()`wp-includes/load.php`	Retrieves the current site ID.

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Used by	Description
get_custom_logo()`wp-includes/general-template.php`	Returns a custom logo, linked to home unless the theme supports removing the link on the home page.
get_body_class()`wp-includes/post-template.php`	Retrieves an array of the class names for the body element.

Changelog

Version	Description
4.5.0	Introduced.

User Contributed Notes

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Anthony Hortin 9 years ago

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See Also
the_custom_logo()
get_custom_logo()

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Rami Yushuvaev 8 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: -5You must log in to vote on the helpfulness of this note
To get the URL of the custom logo image:
wp-includes/general-template.php
Copy
```
$custom_logo_id = get_theme_mod( 'custom_logo' );
$image = wp_get_attachment_image_src( $custom_logo_id , 'full' );
echo $image[0];
```
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has_custom_logo( int $blog_id ): bool

In this article

Parameters

Return

Source

Related

Changelog

User Contributed Notes