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Return the Size of an Entire Directory with PHP

Return the Size of an Entire Directory with PHP

On a member-based site we operate we put a limit on the size of a directory before additional credit is required. The following function will recursively look through an entire directory and return a filesize. While the value returned is in bytes, you can alter it into a human readable string by using the first function from this article ("Return a Readable Filesize with PHP").

The PHP Function

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<?php 
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/*
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 Return the Size of an Entire Directory with PHP
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 http://www.beliefmedia.com/return-size-directory-php
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*/
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function beliefmedia_directory_size($path) {
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  $size = 0;
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  if (substr($path, -1, 1) !== DIRECTORY_SEPARATOR) {
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    $path .= DIRECTORY_SEPARATOR;
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  }
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  if (is_file($path)) {
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    return filesize($path);
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     } elseif (!is_dir($path)) {
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    return false;
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  }
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  $queue = array($path);
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  for ($i = 0, $j = count($queue); $i < $j; ++$i) {
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    $parent = $i;
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      if (is_dir($queue[$i]) && $dir = @dir($queue[$i])) {
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        $subdirs = array();
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          while (false !== ($entry = $dir->read())) {
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            if ($entry == '.' || $entry == '..') {
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              continue;
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            }
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            $path = $queue[$i] . $entry;
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            if (is_dir($path)) {
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              $path .= DIRECTORY_SEPARATOR;
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              $subdirs[] = $path;
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                } elseif (is_file($path)) {
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              $size += filesize($path);
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            }
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          }
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          unset($queue[0]);
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          $queue = array_merge($subdirs, $queue);
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          $i = -1;
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          $j = count($queue);
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          $dir->close();
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          unset($dir);
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    }
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  }
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 return $size;
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}

Usage is as follows:

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/* Usage */
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echo beliefmedia_directory_size('/home/user/public_html/dir');

Download


Title: Return the Size of an Entire Directory with PHP
Description: Return the Size of an Entire Directory with PHP.
  Download • Version 0.2, 709.0B, zip, Category: PHP Code & Snippets

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