fixed str::words php notice.

2012-04-24 10:40:20 -05:00
parent 1dea9852a9
commit a994c30ab3
1 changed files with 2 additions and 0 deletions
--- a/laravel/str.php
+++ b/laravel/str.php
@@ -148,6 +148,8 @@ class Str {
 	 */
 	public static function words($value, $words = 100, $end = '...')
 	{
+		if (trim((string) $value) == '') return '';
+
 		preg_match('/^\s*+(?:\S++\s*+){1,'.$words.'}/', $value, $matches);

 		if (static::length($value) == static::length($matches[0]))