Fix widows by adding an ` ` between the last `n` words of a string (defaults to the last 3 words).

widows.php

// Courtesy of @cgutierrez

function fixWidows($text, $minWords = 3)
{
   $words = preg_split('/\s+/', $text);
   $textLength = count($words);

   if (count($words) > $minWords) {
       $widows = implode(' ', array_splice($words, ($minWords) * -1));
   }

   return trim(implode(' ', $words) . ' ' . $widows);
}