/*
*	stripText()
*	@action:get input string and returns splited string of given length
*			makes sure half word in not in the end
*	@parameters:
*		$str: string to be splited
*		$len: length of required string
*	@return: string of given length
*	@modified : 19 September 2010
*	@modified by: Nilambar
*/
function stripText($str,$len=100)
{	
	$str=trim($str);
	$str=strip_tags($str);
	$slen=strlen($str);
	$op='';
	if($slen<=$len)
	{
		return $str;
	}
	else
	{
		$str=substr($str,0,$len);
		$exploded_array=explode(' ',$str );
		$wordcount=count($exploded_array);
		
		$last=array_pop($exploded_array);
		$op=implode(' ',$exploded_array);
		$op.='...';
	}	
	return $op;

}

Gets string and length and return string of given length. Makes sure half word in not in the end.

Strip Text of given length

php

PHP