Filters the cache-controlling HTTP headers that are used to prevent caching.
$headersarraywp-includes/functions.php:1514wp_get_nocache_headers() * @since 2.8.0 * * @see wp_get_nocache_headers() * * @param array $headers Header names and field values. */ $headers = (array) apply_filters( 'nocache_headers', $headers ); } $headers['Last-Modified'] = false; return $headers;} /**Introduced in 2.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.