shorten some lines, style fix

Author: Rct567

src/Rct567/DomQuery/CssToXpath.php

@@ -304,7 +304,8 @@ private static function transformCssPseudoSelector($expression, array &$new_path
      */
     private static function transformAttrSelector($expression)
     {
-        if (preg_match('|^([a-z0-9_]{1}[a-z0-9_-]*)(([\!\*\^\$\~\|]{0,1})=)?(?:[\'"]*)?([^\'"]+)?(?:[\'"]*)?$|i', $expression, $matches)) {
+        if (preg_match('|^([a-z0-9_]{1}[a-z0-9_-]*)(([\!\*\^\$\~\|]{0,1})=)?'.
+        '(?:[\'"]*)?([^\'"]+)?(?:[\'"]*)?$|i', $expression, $matches)) {
             if (!isset($matches[3])) { // attribute without value
                 return "[@" . $matches[1] . "]";
             } elseif ($matches[3] === '') { // arbitrary attribute strict value equality

tests/Rct567/DomQuery/Tests/DomQuerySelectorsTest.php

@@ -19,7 +19,7 @@ public function testCssToXpath()
             '#someid' => '//*[@id=\'someid\']',
             'p#someid' => '//p[@id=\'someid\']',
             '#some\\.id' => '//*[@id=\'some.id\']',
-            '#someid.some-class' => '//*[@id=\'someid\'][contains(concat(\' \', normalize-space(@class), \' \'), \' some-class \')]',
+            '#someid.s-class' => '//*[@id=\'someid\'][contains(concat(\' \', normalize-space(@class), \' \'), \' s-class \')]',
             '#id[_]' => '//*[@id=\'id\'][@_]',
             'p a' => '//p//a',
             'div, span' => '//div|//span',