PHP function to calculate directory file size-PHP Tutorial-php.cn

This article mainly introduces the function of calculating directory file size in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

The code is as follows:

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This function can recursively traverse all files in the directory and calculate the total file size in MB.

Let’s look at the code again

".$fileName."===".date("Y-m-d H:i:s",filectime($file))."==".filetype($file)."==".toSize(dirSize($file))."
"; } else{ echo "".$fileName."=====".date("Y-m-d H:i:s",filectime($file))."====".filetype($file)."====".toSize(filesize($file))."
"; } } } closedir($dir); #把文件或目录的大小转化为容易读的方式 function toSize($size){ $dw; #指定文件或目录统计的单位方式 if($size>pow(2,30)){ $dw="GB"; $size=round($size/pow(2,30),2); } else if($size>pow(2,20)){ $dw="MB"; $size=round($size/pow(2,20),2); } else if($size>pow(2,10)){ $dw="KB"; $size=round($size/pow(2,10),2); } else { $dw="bytes"; } return $size.$dw; } #利用递归的方式统计目录的大小 function dirSize($dirName){ $dirsize=0; $dir=opendir($dirName); while($fileName=readdir($dir)){ $file=$dirName."/".$fileName; if($fileName!="." && $fileName!=".."){ //一定要进行判断，否则会出现错误的 if(is_dir($file)){ $dirsize+=dirSize($file); } else{ $dirsize+=filesize($file); } } } closedir($dir); return $dirsize; } ?>

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