cache.php

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<?php

define('_HYD_CACHE_DIRECTORY', _NOM_TEMPORAIRES_INACCESSIBLES.'hydraulic/');
define('_HYD_CACHE_MAX_SIZE', 1024*1024);

function WriteCacheFile($file_name, $file_content) {
    if(!is_dir(_HYD_CACHE_DIRECTORY)) {
        mkdir(_HYD_CACHE_DIRECTORY);
    }
    if(is_dir(_HYD_CACHE_DIRECTORY)) {
        if(mt_rand(0,5)==0) {
            if(CacheSize()>_HYD_CACHE_MAX_SIZE) {
                CacheCleanAll();
            }
        }
        $file_name =_HYD_CACHE_DIRECTORY.$file_name;
        if($fichier_cache = fopen($file_name,'w')) {
            fwrite($fichier_cache,serialize($file_content));
            fclose($fichier_cache);
        }
    }
}


function ReadCacheFile($FileName) {
    $FileName = _HYD_CACHE_DIRECTORY.$FileName;
    $aRetour = @unserialize(file_get_contents($FileName));
    return $aRetour;
}

/**
 * Get the directory size
 * @param directory $directory
 * @return integer
 */
function CacheSize() {
    $directory=_HYD_CACHE_DIRECTORY;
    $size = 0;
    foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory)) as $file){
        $size+=$file->getSize();
    }
    return $size;
}


function CacheCleanAll() {
    $dp = opendir(_HYD_CACHE_DIRECTORY);
    while($file = readdir($dp)) {
        if($file !== '.' and $file != '..') {
            unlink(_HYD_CACHE_DIRECTORY."/".$file);
        }
    }
}

function format_nombre($nombre,$dec) {
    if($nombre === false) {
        return _T('hydraulic:non_calcule');
    } else {
        if($nombre=='') $nombre=0;
        return number_format($nombre, $dec, '.', ' ');
    }
}

?>