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/*  
** Function for truncating text and adding trailing characters
** default characters is the ellipse (...) but can be whatever the
** user chooses. The default length is 75 characters but the
** user can change that as well. The function has 3 parameters:
**
** $textToTruncate - The text we wish to truncate
** $truncLen - Maximum length we want the text to be  
** $truncateChars - characters to append to end of truncated text
                  (default is the ellipse)
*/  

function truncateText($textToTruncate, $maxLength = 75, $trailingChars='...')  
{
    $maxLength -= mb_strlen($trailingChars);  
    
    if (mb_strlen($textToTruncate)> $maxLength)  
    {  
       //Since we're here then the text is longer than
       //the maximum length we wish to allow so we need
       //to truncate the text and add the truncate characters
       return mb_substr($textToTruncate,0,$maxLength).$trailingChars;  
    }  
    else  
    {
       // string was already short enough, return the string  
       $truncatedText = $textToTruncate;  
    }

    //return the truncated text
    return $truncatedText;
}