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PHP code example of mikespub / micheh-psr7-cache

1. Go to this page and download the library: Download mikespub/micheh-psr7-cache library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

mikespub / micheh-psr7-cache example snippets


/** @var \Psr\Http\Message\ResponseInterface $response */

$util = new \Micheh\Cache\CacheUtil();
$response = $util->withCache($response);


/** @var \Psr\Http\Message\ResponseInterface $response */

$util = new \Micheh\Cache\CacheUtil();
$response = $util->withCache($response);
$response = $util->withETag($response, 'my-etag');
$response = $util->withLastModified($response, new \DateTime());


/** @var \Psr\Http\Message\RequestInterface $request */
/** @var \Psr\Http\Message\ResponseInterface $response */

$util = new \Micheh\Cache\CacheUtil();
$response = $util->withCache($response);
$response = $util->withETag($response, 'my-etag');
$response = $util->withLastModified($response, new \DateTime());

if ($util->isNotModified($request, $response)) {
    return $response->withStatus(304);
}

// create the body of the response


/** @var \Psr\Http\Message\RequestInterface $request */

$util = new \Micheh\Cache\CacheUtil();
if (!$util->hasStateValidator($request)) {
    return $response->withStatus(428);
}


/** @var \Psr\Http\Message\RequestInterface $request */
/** @var \Psr\Http\Message\ResponseInterface $response */

$util = new \Micheh\Cache\CacheUtil();
if (!$util->hasStateValidator($request)) {
    return $response->withStatus(428);
}

$eTag = 'my-etag'
$lastModified = new \DateTime();
if (!$util->hasCurrentState($request, $eTag, $lastModified)) {
    return $response->withStatus(412);
}

// process the request