The selector class does not find if the separator is a new line

Author: AlexSuperStar

phpQuery/phpQuery/phpQueryObject.php

@@ -587,7 +587,7 @@ protected function matchClasses($class, $node) {
 		if ( mb_strpos($class, '.', 1)) {
 			$classes = explode('.', substr($class, 1));
 			$classesCount = count( $classes );
-			$nodeClasses = explode(' ', $node->getAttribute('class') );
+			$nodeClasses = preg_split("/[\s\t\r\n]+/", $node->getAttribute('class'),-1, PREG_SPLIT_NO_EMPTY);
 			$nodeClassesCount = count( $nodeClasses );
 			if ( $classesCount > $nodeClassesCount )
 				return false;
@@ -605,7 +605,7 @@ protected function matchClasses($class, $node) {
 				// strip leading dot from class name
 				substr($class, 1),
 				// get classes for element as array
-				explode(' ', $node->getAttribute('class') )
+				preg_split("/[\s\t\r\n]+/", $node->getAttribute('class'),-1, PREG_SPLIT_NO_EMPTY)
 			);
 		}
 	}