fixed str::words php notice.

a994c30a · Taylor Otwell · 1dea9852 · a994c30a
Commit a994c30a authored Apr 24, 2012 by Taylor Otwell
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str.php laravel/str.php +2 -0

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--- 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]))