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Dir size recursive php function

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Calculate dir size recursive, follow the link above because the version above is better.

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  1. function dirsize($dir,$buf=2) {
  2. 	static $buffer;
  3. 	if(isset($buffer[$dir])) return $buffer[$dir];
  4. 	if(is_file($dir)) return filesize($dir);
  5. 	if($dh=opendir($dir)) {
  6. 		$size=0;
  7. 		while(($file=readdir($dh))!==false) {
  8. 			if($file=='.' || $file=='..') continue;
  9. 			$size+=dirsize($dir.'/'.$file,$buf-1);
  10. 		}
  11. 		closedir($dh);
  12. 		if($buf>0) $buffer[$dir]=$size;
  13. 		return $size;
  14. 	}
  15. 	return false;
  16. }

URL: http://www.barattalo.it/2010/02/01/calculate-dir-size-recursively/

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