PHP Cut string from MySQL

Shorting or cutting the text string from long char into new max lenght.
Here is the code.
PHP CODE

function short_string ($var, $len){    
 if (strlen ($var) < $len) {
  return $var;
 }
 if (preg_match ("/(.{1,$len})\s/", $var, $match)) {
  return $match [1] . "..";
 } else {
  return substr ($var, 0, $len) . ".."; 
 }
}

How to use?
PHPCODE

short_string ("Very very long text is here blablabla", 14);

The Result is:

Very very long..