wp-includes/blocks/site-logo.php:221Removes the custom_logo theme-mod when the site_logo option gets deleted.
function _delete_custom_logo_on_remove_site_logo() { global $_ignore_site_logo_changes; // Prevent _delete_site_logo_on_remove_custom_logo and // _delete_site_logo_on_remove_theme_mods from firing and causing an // infinite loop. $_ignore_site_logo_changes = true; // Remove the custom logo. remove_theme_mod( 'custom_logo' ); $_ignore_site_logo_changes = false;}Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/site-logo.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.