All header $field names are treated case-insensitively.
An empty return array indicates that the header was not present in the request.
public getHeaderArray ( string $field ) : array | ||
$field | string | |
return | array |
private function fetchCachedStat(string $reqPath, Request $request) { // We specifically allow users to bypass cached representations in debug mode by // using their browser's "force refresh" functionality. This lets us avoid the // annoyance of stale file representations being served for a few seconds after // changes have been written to disk. if (empty($this->debug)) { return $this->cache[$reqPath] ?? null; } foreach ($request->getHeaderArray("Cache-Control") as $value) { if (strcasecmp($value, "no-cache") === 0) { return null; } } foreach ($request->getHeaderArray("Pragma") as $value) { if (strcasecmp($value, "no-cache") === 0) { return null; } } return $this->cache[$reqPath] ?? null; }