application/views/helpers/ByteOutput.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @subpackage      View_Helpers
+ * @version         SVN: $Rev$
+ * @author          $Author$
+ */
+
+/**
+ * Human readable byte output
+ *
+ * @package         MySQLDumper
+ * @subpackage      View_Helpers
+ */
+class Msd_View_Helper_ByteOutput extends Zend_View_Helper_Abstract
+{
+    /**
+     * Humanize byte output
+     *
+     * @param int     $bytes
+     * @param int     $precision
+     * @param boolean $useHTML
+     *
+     * @return string
+     */
+    public function byteOutput($bytes, $precision = 2, $useHtml = true)
+    {
+        $unitsLong = array('Bytes', 'KiloBytes', 'MegaBytes', 'GigaBytes',
+            'TeraBytes', 'PetaBytes', 'ExaBytes', 'YottaBytes');
+        $unitsShort = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB');
+        for ($level = 0; $bytes >= 1024; $level++) {
+            $bytes /= 1024;
+        }
+        if (!is_numeric($bytes) || !isset($unitsShort[$level])) {
+            return $bytes;
+        }
+        $pattern = '<span class="explain tooltip" title="%s">%s</span>';
+        $suffix = sprintf($pattern, $unitsLong[$level], $unitsShort[$level]);
+        if (!$useHtml) {
+            $suffix = strip_tags($suffix);
+        }
+        $ret = sprintf("%01." . $precision . "f", round($bytes, $precision));
+        return  trim($ret . ' ' . $suffix);
+    }
+
+}