File Manager

<?php
#BEGIN_LICENSE
#-------------------------------------------------------------------------
# Module: CGExtensions (c) 2008-2014 by Robert Campbell
#         (calguy1000@cmsmadesimple.org)
#  An addon module for CMS Made Simple to provide useful functions
#  and commonly used gui capabilities to other modules.
#
#-------------------------------------------------------------------------
# CMSMS - CMS Made Simple is (c) 2005 by Ted Kulp (wishy@cmsmadesimple.org)
# Visit the CMSMS Homepage at: http://www.cmsmadesimple.org
#
#-------------------------------------------------------------------------
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# However, as a special exception to the GPL, this software is distributed
# as an addon module to CMS Made Simple.  You may not use this software
# in any Non GPL version of CMS Made simple, or in any version of CMS
# Made simple that does not indicate clearly and obviously in its admin
# section that the site was built with CMS Made simple.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Or read it online: http://www.gnu.org/licenses/licenses.html#GPL
#
#-------------------------------------------------------------------------
#END_LICENSE

final class cge_string
{
  private function __construct() {}

  public static function mask_string($instr,$numchars,$mask = '*')
  {
    if( empty($mask) ) return $instr;
    if( strlen($mask) > 1 ) $mask = $mask[0];
    if( $numchars < 0 ) $numchars = strlen($instr) + $numchars;
    $numchars = min($numchars,strlen($instr));
    if( $numchars == 0 ) return $instr;

    for( $i = 0; $i < $numchars; $i++ ) {
      $instr[$i] = $mask;
    }
    return $instr;
  }

  public static function word_limiter($str, $limit = 100, $end_char = '...') 
  {    
    if (trim($str) == '') return $str;
    preg_match('/^\s*(?:\S+\s*){1,'. (int) $limit .'}/', $str, $matches);
    if (strlen($matches[0]) == strlen($str)) $end_char = '';
    return rtrim($matches[0]) . $end_char;
  }

  // get post max size and give a portion of it to smarty for max chunk size.
  public static function str_to_bytes($val)
  {
    if(is_string($val) && $val != '') {
      $val = trim($val);
      $last = strtolower(substr($val, strlen($val/1), 1));
      switch($last) {
      case 'g':
	$val *= 1024;
      case 'm':
	$val *= 1024;
      case 'k':
	$val *= 1024;
      }
    }

    return (int) $val;
  }

} // end of class

#
# EOF
#
?>