wp-content/themes/twentyfourteen/inc/customizer.php:131Sanitize the Featured Content layout value.
$layoutstringstringfunction twentyfourteen_sanitize_layout( $layout ) { if ( ! in_array( $layout, array( 'grid', 'slider' ), true ) ) { $layout = 'grid'; } return $layout;}Introduced in Twenty Fourteen 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentyfourteen/inc/customizer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.