symfony/symfony — pull request #9578 by aik099 (2013-11-22 19:02:25+00:00)
Title: [DomCrawler] Fixes `attr` method returning empty string for missing attributes

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | -
| License | MIT
| Doc PR | -

Bug discovered on Behat/MinkBrowserKitDriver#32.