26         if ($oStr->strstr($sInField, 
'"')) {
 
   27             return '"' . str_replace(
'"', 
'""', $sInField) . 
'"';
 
   28         } elseif ($oStr->strstr($sInField, 
';')) {
 
   29             return '"' . $sInField . 
'"';
 
   48         $sString = trim($sString);
 
   52         $sString = $oStr->preg_replace(
"/[ \t\n\r]+/", 
" ", $sString);
 
   53         if ($oStr->strlen($sString) > $iLength && $iLength != -1) {
 
   54             $sString = $oStr->substr($sString, 0, $iLength);
 
   57         $sString = $oStr->preg_replace(
"/,+$/", 
"", $sString);
 
   72         if ($oStr->hasSpecialChars($sSearchStr)) {
 
   73             return $oStr->recodeEntities($sSearchStr, 
true, array(
'&'), array(
'&'));