php緩衝技術 靜態緩衝 memcache緩衝 redis緩衝

來源:互聯網
上載者:User
php操作緩衝

產生

擷取

刪除

 1 class file{ 2     private $_dir; 3     const EXT='.txt'; 4     public function __consruct(){ 5        $this->_dir   dirname(__FILE___).'files/'; 6    } 7    public function cacheData($key,value='',$path=''){ 8         $filename = $this->_dir.$path.$key.self::EXT; 9          if($value!==''){//將value寫入緩衝        //刪除緩衝        if(is_null($value)){        return  @unlike($filename)            }10        $dir=dirname($filename);11          if(!is_dir($dir)){12             mkdir($dir,0777);13             }14            return   file_put_contents($filename,jsonencode($value));15           }         if(!is_file($filename)){                    return FALSE;               }else{             return  json_decode(file_get_content($filename),true);                }16     }24 25 }       26 27 28 //產生緩衝29 $file= new firl();30 if($file->cacheData('index_mk_cache',$data)){31 32     echo "success";33 }else(34    echo "false";35 )36 //擷取緩衝
$file= new firl(); if($file->cacheData('index_mk_cache')){ var_dump($file->cahceData('index_mk_cache'));exit; echo "success"; }else( echo "false"; )//刪除緩衝
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