Character Limit PHP Function

characterLimit.php

<?php

  // Character limit
	function characterLimit($str, $limit = 150, $end_char = '...')
	{
		if (trim($str) == '')
			return $str;

		// always strip tags for text
		$str = strip_tags(trim($str));

		$find = array("/\r|\n/u", "/\t/u", "/\s\s+/u");
		$replace = array(" ", " ", " ");
		$str = preg_replace($find, $replace, $str);

		if (strlen($str) > $limit)
		{
			$str = substr($str, 0, $limit);
			return rtrim($str).$end_char;
		}
		else
		{
			return $str;
		}

	}
?>