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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$path .= DIRECTORY_SEPARATOR;
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}
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return false;
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}
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$queue = array($path);
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$parent = $i;
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$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] . $entry;
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$path .= DIRECTORY_SEPARATOR;
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$subdirs[] = $path;
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}
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}
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unset($queue[0]);
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$i = -1;
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$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:
