symfony
diff --git a/‎Parser/Parser.php
Copy file name to clipboardExpand all lines: Parser/Parser.php
+5Lines changed: 5 additions & 0 deletions b/‎Parser/Parser.php
Copy file name to clipboardExpand all lines: Parser/Parser.php
+5Lines changed: 5 additions & 0 deletions
diff --git a/‎Tests/Parser/ParserTest.php
Copy file name to clipboardExpand all lines: Tests/Parser/ParserTest.php
+1Lines changed: 1 addition & 0 deletions b/‎Tests/Parser/ParserTest.php
Copy file name to clipboardExpand all lines: Tests/Parser/ParserTest.php
+1Lines changed: 1 addition & 0 deletions
@@ -378,6 +378,11 @@ private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $s
         $stream->skipWhitespace();
         $value = $stream->getNext();
 
+        if ($value->isNumber()) {
+            // if the value is a number, it's casted into a string
+            $value = new Token(Token::TYPE_STRING, (string) $value->getValue(), $value->getPosition());
+        }
+
         if (!($value->isIdentifier() || $value->isString())) {
             throw SyntaxErrorException::unexpectedToken('string or identifier', $value);
         }
 
@@ -133,6 +133,7 @@ public function getParserTestData()
             array('div#foobar', array('Hash[Element[div]#foobar]')),
             array('div:not(div.foo)', array('Negation[Element[div]:not(Class[Element[div].foo])]')),
             array('td ~ th', array('CombinedSelector[Element[td] ~ Element[th]]')),
+            array('.foo[data-bar][data-baz=0]', array("Attribute[Attribute[Class[Element[*].foo][data-bar]][data-baz = '0']]")),
         );
     }
Original file line number	Diff line number	Diff line change
`@@ -133,6 +133,7 @@ public function getParserTestData()`
`133`	`133`	`array('div#foobar', array('Hash[Element[div]#foobar]')),`
`134`	`134`	`array('div:not(div.foo)', array('Negation[Element[div]:not(Class[Element[div].foo])]')),`
`135`	`135`	`array('td ~ th', array('CombinedSelector[Element[td] ~ Element[th]]')),`
	`136`	`+ array('.foo[data-bar][data-baz=0]', array("Attribute[Attribute[Class[Element[*].foo][data-bar]][data-baz = '0']]")),`
`136`	`137`	`);`
`137`	`138`	`}`
`138`	`139`