String Trimmer

<?php
 
function trimmer($str, $length=100, $link=null, $tail='...', $wrap="<p>", $tags=false)
{	
 
	//start wrap if set
	$open = !is_null($wrap) && $tags == false  ? $wrap : '';
 
	//check length and add tail if needed.
	if(strlen($str) > $length)
	{				
 
		$str   = substr($str, 0 , $length);			
		$str   .= $tail;						
 
	}//end if			
 
	//check if we want tags or not
	$str = $tags == false ? strip_tags($str) : $str;
 
	//add link if set
	$str .= !is_null($link) ? '&nbsp;<a href="'.$link.'">Read more</a>'."
" : '';
 
	//end wrap if set
	$close = !is_null($wrap) && $tags == false  ? '</'. substr($wrap, 1) : '';
 
	return $open.$str.$close;
 
}//end of trimmer
 
?>