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recurse_dirsize() WP 1.0

Get the size of a directory recursively.

Used by get_dirsize() to get a directory's size when it contains other directories.

  • Since 4.3.0 $exclude parameter added.
Is the basis for: get_dirsize()

No Hooks.

Return

Int/false. Size in MB if a valid directory. False if not.

Usage

recurse_dirsize( $directory, $exclude );
$directory(string) (required)
Full path of a directory.
$exclude(string)
Full path of a subdirectory to exclude from the total.
Default: null

Code of recurse dirsize: wp-includes/ms-functions.php VER 5.1.1

<?php
function recurse_dirsize( $directory, $exclude = null ) {
	$size = 0;

	$directory = untrailingslashit( $directory );

	if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) || $directory === $exclude ) {
		return false;
	}

	if ( $handle = opendir( $directory ) ) {
		while ( ( $file = readdir( $handle ) ) !== false ) {
			$path = $directory . '/' . $file;
			if ( $file != '.' && $file != '..' ) {
				if ( is_file( $path ) ) {
					$size += filesize( $path );
				} elseif ( is_dir( $path ) ) {
					$handlesize = recurse_dirsize( $path, $exclude );
					if ( $handlesize > 0 ) {
						$size += $handlesize;
					}
				}
			}
		}
		closedir( $handle );
	}
	return $size;
}

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