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<?php
/**
* +----------------------------------------------------------------------+
* | Copyright (c) 1997-2023 The PHP Group |
* +----------------------------------------------------------------------+
* | This source file is subject to version 3.01 of the PHP license, |
* | that is bundled with this package in the file LICENSE, and is |
* | available through the world-wide-web at the following url: |
* | https://www.php.net/license/3_01.txt. |
* | If you did not receive a copy of the PHP license and are unable to |
* | obtain it through the world-wide-web, please send a note to |
* | license@php.net, so we can mail you a copy immediately. |
* +----------------------------------------------------------------------+
* | Authors: André L F S Bacci <ae php.net> |
* +----------------------------------------------------------------------+
* | Description: Common functions do load and save to cache files. |
* +----------------------------------------------------------------------+
*/
require_once __DIR__ . '/all.php';
class CacheUtil
{
const CACHE_DIR = __DIR__ . '/../.cache';
public static function load( string $path , string $file )
{
$filename = CacheUtil::prepareFilename( $path , $file , true );
if ( file_exists( $filename ) == false )
return null;
$data = file_get_contents( $filename );
return unserialize( $data );
}
public static function save( string $path , string $file , $data )
{
$outFile = CacheUtil::prepareFilename( $path , $file , true );
$contents = serialize( $data );
file_put_contents( $outFile , $contents );
}
public static function prepareFilename( string $path , string $file , bool $createDirs = false )
{
$baseDir = CacheUtil::CACHE_DIR;
$outPath = rtrim( $baseDir , '/' ) . '/' . $path;
$outFile = rtrim( $outPath , '/' ) . '/' . $file;
if ( $createDirs && file_exists( $outPath ) == false )
mkdir( $outPath , 0777 , true );
return $outFile;
}
}
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