Where is the PHPcms column cache stored?

Where is the PHPcms column cache stored? Need specific code examples

PHPcms is a very popular content management system with rich functions and flexible scalability. Caching is one of the important technologies to improve website performance. In PHPcms, the column cache is stored in the system-defined cache directory, generally in the /data/runtime/cache/ directory. Specifically, the files stored in the column cache are files starting with cat_. For example, cat_1.cache represents the cache file with the column ID 1.

In order to better understand the location where the PHPcms column cache is stored, a specific code example is provided below:

// Load PHPCMS global function library
require_once 'phpcms/base.php';

// Set the column ID to be cached
$catid = 1;

// Get the column data
$category = getCategory( $catid);

//Set the cache file path
$cacheFile = CACHE_PATH . 'cat_' . $catid . '.cache';

// Serialize and merge column data Write cache file
file_put_contents($cacheFile, serialize($category));

//Read cache file contents
$cachedData = file_get_contents($cacheFile);

//Deserialize cached data
$categoryFromCache = unserialize($cachedData);

//Print the column data read from the cache
print_r($categoryFromCache);
?> ;

In the above code example, first load the PHPCMS global function library, then set the column ID to be cached to 1, obtain the column data through the getCategory function, serialize the data and write it into the cache file, and finally Read the contents of the cache file through the file_get_contents function and deserialize it to obtain the column data, and finally print out the column data read from the cache.

It should be noted that the permissions of the cache directory need to be set to writable, otherwise the cache data cannot be written to the file. In actual applications, corresponding caching operations can be performed according to specific needs and business logic, effectively improving website performance and loading speed.

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