File Content: SapiEmitterTrait.php <?php declare (strict_types=1); namespace PleskMonitoring\Laminas\HttpHandlerRunner\Emitter; use PleskMonitoring\Laminas\HttpHandlerRunner\Exception\EmitterException; use PleskMonitoring\Psr\Http\Message\ResponseInterface; use function assert; use function function_exists; use function header; use function headers_sent; use function is_int; use function is_string; use function ob_get_length; use function ob_get_level; use function sprintf; use function ucwords; trait SapiEmitterTrait { /** * Checks to see if content has previously been sent. * * If either headers have been sent or the output buffer contains content, * raises an exception. * * @throws EmitterException If headers have already been sent. * @throws EmitterException If output is present in the output buffer. */ private function assertNoPreviousOutput() : void { $filename = null; $line = null; if ($this->headersSent($filename, $line)) { assert(is_string($filename) && is_int($line)); throw EmitterException::forHeadersSent($filename, $line); } if (ob_get_level() > 0 && ob_get_length() > 0) { throw EmitterException::forOutputSent(); } } /** * Emit the status line. * * Emits the status line using the protocol version and status code from * the response; if a reason phrase is available, it, too, is emitted. * * It is important to mention that this method should be called after * `emitHeaders()` in order to prevent PHP from changing the status code of * the emitted response. * * @see \Laminas\HttpHandlerRunner\Emitter\SapiEmitterTrait::emitHeaders() */ private function emitStatusLine(ResponseInterface $response) : void { $reasonPhrase = $response->getReasonPhrase(); $statusCode = $response->getStatusCode(); $this->header(sprintf('HTTP/%s %d%s', $response->getProtocolVersion(), $statusCode, $reasonPhrase ? ' ' . $reasonPhrase : ''), \true, $statusCode); } /** * Emit response headers. * * Loops through each header, emitting each; if the header value * is an array with multiple values, ensures that each is sent * in such a way as to create aggregate headers (instead of replace * the previous). */ private function emitHeaders(ResponseInterface $response) : void { $statusCode = $response->getStatusCode(); foreach ($response->getHeaders() as $header => $values) { assert(is_string($header)); $name = $this->filterHeader($header); $first = $name !== 'Set-Cookie'; foreach ($values as $value) { $this->header(sprintf('%s: %s', $name, $value), $first, $statusCode); $first = \false; } } } /** * Filter a header name to wordcase */ private function filterHeader(string $header) : string { return ucwords($header, '-'); } private function headersSent(?string &$filename = null, ?int &$line = null) : bool { if (function_exists('PleskMonitoring\\Laminas\\HttpHandlerRunner\\Emitter\\headers_sent')) { // phpcs:ignore SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly.ReferenceViaFullyQualifiedName return \PleskMonitoring\Laminas\HttpHandlerRunner\Emitter\headers_sent($filename, $line); } return headers_sent($filename, $line); } private function header(string $headerName, bool $replace, int $statusCode) : void { if (function_exists('PleskMonitoring\\Laminas\\HttpHandlerRunner\\Emitter\\header')) { // phpcs:ignore SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly.ReferenceViaFullyQualifiedName \PleskMonitoring\Laminas\HttpHandlerRunner\Emitter\header($headerName, $replace, $statusCode); return; } header($headerName, $replace, $statusCode); } } Submit