Clean the $attributes explanation.

armetiz · weaverryan · commit 1a01cc219fcc · 2012-07-02T21:59:13.000-05:00
diff --git a/components/dependency_injection/tags.rst b/components/dependency_injection/tags.rst
@@ -231,9 +231,12 @@ The last step is to update the compiler to take care of your additional informat
 
             $definition = $container->getDefinition('acme_mailer.transport_chain');
 
-            foreach ($container->findTaggedServiceIds('acme_mailer.transport') as $id => $attributes) {
-                $definition->addMethodCall('addTransport', array(new Reference($id), $attributes[0]["alias"]));
+            foreach ($container->findTaggedServiceIds('acme_mailer.transport') as $id => $tagAttributes) {
+                foreach ($tagAttributes as $attributes) {
+                    $definition->addMethodCall('addTransport', array(new Reference($id), $attributes["alias"]));
+                }
             }
         }
     }
     
+Take care of ``$attributes`` variable. Because you can use the same tag many times on the same service, ``$attributes`` is an array of attributes for each tag that refers to the same service.

Original file line number	Diff line number	Diff line change
`@@ -231,9 +231,12 @@ The last step is to update the compiler to take care of your additional informat`
`231`	`231`
`232`	`232`	`$definition = $container->getDefinition('acme_mailer.transport_chain');`
`233`	`233`
`234`		`-foreach ($container->findTaggedServiceIds('acme_mailer.transport') as $id => $attributes) {`
`235`		`-$definition->addMethodCall('addTransport', array(new Reference($id), $attributes[0]["alias"]));`
	`234`	`+foreach ($container->findTaggedServiceIds('acme_mailer.transport') as $id => $tagAttributes) {`
	`235`	`+foreach ($tagAttributes as $attributes) {`
	`236`	`+$definition->addMethodCall('addTransport', array(new Reference($id), $attributes["alias"]));`
	`237`	`+}`
`236`	`238`	`}`
`237`	`239`	`}`
`238`	`240`	`}`
`239`	`241`
	`242`	+Take care of ``$attributes`` variable. Because you can use the same tag many times on the same service, ``$attributes`` is an array of attributes for each tag that refers to the same service.