sminnee / silverstripe-framework

		// add each sentence while there are enough words to do so

		$result = '';

		do {

			$result .= trim(array_shift( $sentences )).'.';

			if(count($sentences) > 0) {

				$count += count(explode(' ', $sentences[0]));

			}

			// Ensure that we don't trim half way through a tag or a link

			$brokenLink = (

				substr_count($result,'<') != substr_count($result,'>')) ||

				(substr_count($result,'<a') != substr_count($result,'</a')

			);

		} while(($count < $maxWords || $brokenLink) && $sentences && trim( $sentences[0]));

		if(preg_match('/<a[^>]*>/', $result) && !preg_match( '/<\/a>/', $result)) $result .= '</a>';

		}

		// add each sentence while there are enough words to do so

		do {

			$result .= trim(array_shift($sentences));

			if($sentences) {

				$result .= '. ';

				$count += count(explode(' ', $sentences[0]));

			}

			// Ensure that we don't trim half way through a tag or a link

			$brokenLink = (

				substr_count($result,'<') != substr_count($result,'>')) ||

				(substr_count($result,'<a') != substr_count($result,'</a')

			);

		} while(($count < $maxWords || $brokenLink) && $sentences && trim($sentences[0]));

		if(preg_match( '/<a[^>]*>/', $result) && !preg_match( '/<\/a>/', $result)) {

			$result .= '</a>';