PHP code example of weakbit / fallback-cache

1. Go to this page and download the library: Download weakbit/fallback-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/ */

weakbit / fallback-cache example snippets


$GLOBALS['TYPO3_CONF_VARS']['SYS']['Objects'][CacheManager::class] = [ 'className' => \Weakbit\FallbackCache\Cache\CacheManager::class ];


$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages'] = [
    // This frontend surrounds the functions by a try, and sends an event on exception (Status yellow)
    'frontend' => \Weakbit\FallbackCache\Cache\Frontend\VariableFrontend::class,
    'backend' => RedisBackend::class,
    'options' => [
        'defaultLifetime' => 604800,
        'compression' => 0,
    ],
    // If the cache creation fails (Status red) this cache is used 
    'fallback' => 'pages_fallback',
    // Optional: turn yellow status events into red when this rate is exceeded
    'yellow_to_red_rate' => '10/minute',
    // The concrete frontend the 'frontend' is based on
    'concrete_frontend' => \TYPO3\CMS\Core\Cache\Frontend\VariableFrontend::class,
    'groups' => [
        'pages',
    ]
];

// Configure the fallback cache to use the database for example
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages_fallback'] = $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages'];
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages_fallback']['backend'] = Typo3DatabaseBackend::class;
$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages_fallback']['options'] = [
    'defaultLifetime' => 604800,
];


$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['pages']['yellow_to_red_rate'] = '10/minute';


$GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['my_immutable_cache'] = [
    'frontend' => \TYPO3\CMS\Core\Cache\Frontend\VariableFrontend::class,
    'backend' => \TYPO3\CMS\Core\Cache\Backend\FileBackend::class,
    'options' => [
        'defaultLifetime' => 604800,
    ],
    'groups' => [
        'system',
    ],
    'tags' => [
        ['name' => 'cache', 'identifier' => 'my_immutable_cache', 'immutable' => true]
    ]
];