[PHP] Use word_limiter() function to limit your words

There is nice little tricks to make meaningful summary text form big description less than a sec?
This example can also be used to create more link in short description.
This Function will cut words from Text and displaying limited words

function word_limiter($str,$limit=10)
{
    if(stripos($str," ")){
    $ex_str = explode(" ",$str);
        if(count($ex_str)>$limit){
            for($i=0;$i<$limit;$i++){
            $str_s.=$ex_str[$i]." ";
            }
        return $str_s;
        }else{
        return $str;
        }
    }else{
    return $str;
    }
}

How does it work:
1. Define how many words you want to display.
2. Find what is the last character displaying.
3. If the last character displaying is not ” ” (Space) then again go next character until found.
4. Display words

<?php

/**
 * @example one
 */
echo word_limiter('Hellya!!! this function really works nice for me.',4)."...";
//this Returns "Hellya!!! this function really ..."
?>