wp-content/themes/twentyfifteen/inc/customizer.php:302Sanitization callback for color schemes.
$valuestringstring function twentyfifteen_sanitize_color_scheme( $value ) { $color_schemes = twentyfifteen_get_color_scheme_choices(); if ( ! array_key_exists( $value, $color_schemes ) ) { $value = 'default'; } return $value; }Introduced in Twenty Fifteen 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/twentyfifteen/inc/customizer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.