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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);
    }
}
Name	Size	Permission
EmitterInterface.php	904 bytes	0644
EmitterStack.php	2772 bytes	0644
SapiEmitter.php	833 bytes	0644
SapiEmitterTrait.php	4019 bytes	0644
SapiStreamEmitter.php	3270 bytes	0644
File Content: SapiEmitterTrait.php

File Content: `SapiEmitterTrait.php`
