[Routing] fix variable with a requirement of '0'

Tobion · Tobion · commit 02516de6521b · 2012-09-04T07:18:13.000+02:00
diff --git a/src/Symfony/Component/Routing/RouteCompiler.php b/src/Symfony/Component/Routing/RouteCompiler.php
@@ -42,7 +42,7 @@ public function compile(Route $route)
             $pos = $match[0][1] + strlen($match[0][0]);
             $var = $match[1][0];
 
-            if ($req = $route->getRequirement($var)) {
+            if (null !== $req = $route->getRequirement($var)) {
                 $regexp = $req;
             } else {
                 // Use the character preceding the variable as a separator
diff --git a/src/Symfony/Component/Routing/Tests/RouteCompilerTest.php b/src/Symfony/Component/Routing/Tests/RouteCompilerTest.php
@@ -90,6 +90,13 @@ public function provideCompileData()
                     array('variable', '/', '[^/]+', 'bar'),
                 )),
 
+            array(
+                'Route with a requirement of 0',
+                array('/{bar}', array('bar' => null), array('bar' => '0')),
+                '', '#^/(?<bar>0)?$#s', array('bar'), array(
+                    array('variable', '/', '0', 'bar'),
+                )),
+
             array(
                 'Route with an optional variable as the first segment with requirements',
                 array('/{bar}', array('bar' => 'bar'), array('bar' => '(foo|bar)')),
