Simple function to get truncated text to given count with last complete word

text_truncate.php

<?php
/**
 * @author Mohammad Mursaleen
 * @param $text
 * @param $length
 * @return mixed
 */
function mm_truncate( $text , $length ) {

    $length = abs( (int)$length );

    if( strlen($text) > $length ) {

        $text = preg_replace("/^(.{1,$length})(\s.*|$)/s", '\\1', $text);

    }

    return($text);
}