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Themes: Improve the theme Custom Logo accessibility.

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Uses the Site title as fallback value for the Custom Logo alt attribute when the original alt attribute is empty.

Props sami.keijonen, joedolson, sstoqnov, nobremarcos, gma992, LiamMcArthur, jjcomack.
Fixes #38768.

Built from https://develop.svn.wordpress.org/trunk@40817


git-svn-id: http://core.svn.wordpress.org/trunk@40675 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrea Fercia 2017-05-22 20:29:42 +00:00
parent bdad500af7
commit 2cbd9cf75e
2 changed files with 20 additions and 5 deletions
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23
wp-includes/general-template.php
View File

@ -888,12 +888,27 @@ function get_custom_logo( $blog_id = 0 ) {
// We have a logo. Logo is go.
if ( $custom_logo_id ) {
$custom_logo_attr = array(
'class' => 'custom-logo',
'itemprop' => 'logo',
);
/*
* If the logo alt attribute is empty, get the site title and explicitly
* pass it to the attributes used by wp_get_attachment_image().
*/
$image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true );
if ( empty( $image_alt ) ) {
$custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' );
}
/*
* If the alt attribute is not empty, there's no need to explicitly pass
* it because wp_get_attachment_image() already adds the alt attribute.
*/
$html = sprintf( '<a href="%1$s" class="custom-logo-link" rel="home" itemprop="url">%2$s</a>',
esc_url( home_url( '/' ) ),
wp_get_attachment_image( $custom_logo_id, 'full', false, array(
'class' => 'custom-logo',
'itemprop' => 'logo',
) )
wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr )
);
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.8-beta1-40816';
$wp_version = '4.8-beta1-40817';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.