擷取windows磁碟的可用空間函數

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<?php    /*    *擷取某個磁碟的剩餘空間    *$param 關聯陣列，下標是哪個盤，單位，可以是B，KB，MB，GB    *可以設定擷取多個磁碟，例如：array(‘C‘=>‘KB‘,‘D‘=>‘MB‘,‘E‘=>‘GB‘,‘F‘=>‘B‘)    *假如出錯，返回false    */    function Space($arr){        //檢查參數        if(is_array($arr)){            //初始化儲存值            $memory = array();            foreach($arr as $disk=>$size){                $D = strtoupper($disk).‘:‘;//轉化為大寫的鍵盤路徑                $S = strtoupper($size);//轉變為大寫的單位                if(in_array($D,array(‘C:‘,‘D:‘,‘E:‘,‘F:‘)) && in_array($S,array(‘B‘,‘KB‘,‘MB‘,‘GB‘,‘TB‘))){                    switch($S){                        case ‘B‘:                            $memory[$disk]= disk_free_space($D).‘B‘;                        break;                        case ‘KB‘:                            $d = round(disk_free_space($D) / 1024);                            $memory[$disk] = $d .‘KB‘;                        break;                        case ‘MB‘:                            $d = round(disk_free_space($D) / pow(1024,2));                            $memory[$disk]= $d.‘MB‘;                        break;                        case ‘GB‘:                            $d = round(disk_free_space($D) / pow(1024,3));                            $memory[$disk]= $d.‘GB‘;                        break;                        case ‘TB‘:                            $d =  sprintf("%.4f", disk_free_space($D) / pow(1024,4));                            $memory[$disk] = $d .‘TB‘;                        break;                        default:                            return 0;                        break;                    }                }else{                    return null;                }            }            return $memory;        }else{            return null;        }    }    $arr = array(‘c‘=>‘kb‘,‘d‘=>‘Mb‘,‘e‘=>‘Gb‘,‘f‘=>‘Tb‘);    var_dump(Space($arr));

 

擷取windows磁碟的可用空間函數