Prevod veľkosti

static public function formatSize( $size=0 )
    {
        $units    = array( 'B', 'KB', 'MB', 'GB', 'TB' );
        
        $size    = max( $size, 0 );
        $pow    = floor( ( $size ? log( $size ) : 0 ) / log(1024) ); 
        $pow    = min( $pow, count($units) - 1 ); 
        $size    /= pow( 1024, $pow ); 

        return round( $size, 2 ) . ' ' . $units[ $pow ]; 
    }

Warning: preg_replace() [function.preg-replace]: Unknown modifier ']' in

static public function formatSize($size = "0 kB"){   
     $units = Array("B","kB","MB","GB","TB");     
 
     preg_match("~(\d+)~",$size,$attr);     
 
     $length = strlen($attr[1]);   
     $size = floatval($attr[1]);     
     $pow = floor(($length-1)/3);      
 
      return round( $size, 2 ) . ' ' . $units[ $pow+1 ];
      }

<?php
   
/**
 * Functions
 *
 * @author        UploadScript
 * @since        16 July 2009
 * @version        1
 * @package        Core
 * @copyright    UploadScript
 */

/**
 * Text, language abstraction, and other localization functions
 */
class Functions_Text
{
    /**
     * Format a size
     *
     * @access    public
     * @param    int            File size
     * @return    string        Formatted file size
     * @see        http://us2.php.net/manual/en/function.filesize.php#91477
     */
     static public function formatSize($size=0){
  $units = array( 'B', 'KB', 'MB', 'GB', 'TB' );
  
  $size = max( $size, 0 );
  $pow = floor((strlen("$size")-1)/3);
   
  $pow = min( $pow, count($units) - 1 ); 
  $size /= pow( 1024, $pow ); 
 
  return round( $size, 2 ) . ' ' . $units[ $pow+1 ]; 
}
}

/**
 * User functions class
 */
class Functions_User
{
    /**
     * Return max single file upload size
     *
     * @access    public
     * @return    int
     */
    static public function getMaxUploadSize()
    {
        $_serverMax    = 200000000;

        $_post        = @ini_get('post_max_size');
        $_upload    = @ini_get('upload_max_filesize');
        $_check        = ( $_upload > $_post ) ? $_post : $_upload;

        if ( $_check )
        {
            $_serverMax = $_check;

            preg_match( "#^(\d+)(\w+)$#", strtolower($_serverMax), $match );

            if ( $match[2] == 'm' )
            {
                $_serverMax = intval( $_serverMax ) * 1024 * 1024;
            }
            else if ( $match[2] == 'k' )
            {
                $_serverMax = intval( $_serverMax ) * 1024;
            }
            else
            {
                $_serverMax = intval( $_serverMax );
            }
        }
        
        $_userMax    = isset(Registry::$member['max_filesize']) ? ( Registry::$member['max_filesize'] * 1024 ) : ( Registry::$settings['guest_max_size'] * 1024 );

        return $_serverMax > $_userMax ? $_userMax : $_serverMax;
    }
}

static public function formatSize( $size=0 )
    {
        $units    = array( 'B', 'KB', 'MB', 'GB', 'TB' );
        
        $size    = max( $size, 0 );
        $pow    = floor( ( $size ? log( $size ) : 0 ) / log(1024) ); 
        $pow    = min( $pow, count($units) - 1 ); 
        $size    /= pow( 1024, $pow ); 
 
        return round( $size, 2 ) . ' ' . $units[ $pow ]; 
    }

    $_displayMaxSpace    = $_maxDiskspace ? Functions_Text::formatSize( $_maxDiskspace ) : "Unlimited";
    $_displayMaxBw        = $_bandwidthWeek ? Functions_Text::formatSize( $_bandwidthWeek ) : "Unlimited";
    $_displayUsedSpace    = Functions_Text::formatSize( $filesize['filesize'] );
    $_displayBwUsed        = Functions_Text::formatSize( $bandwidth['used'] );
    $_displaySpaceP        = $_maxDiskspace ? ( $filesize['filesize'] ? round( ( $filesize['filesize'] / $_maxDiskspace  ) * 100 ) : '0' ) . '%' : '0';
    $_displayBwP        = $_bandwidthWeek ? ( $bandwidth['used'] ? round( ( $bandwidth['used'] / $_bandwidthWeek ) * 100 ) : '0' ) . '%' : '0';
    $_displaySpacePP    = $_displaySpaceP ? '(' . $_displaySpaceP . ')' : '';
    $_displayBwPP        = $_displayBwP ? '(' . $_displayBwP . ')' : '';