IIS rewrite rule for Symfony 2 (use at root directory)

web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <clear />                 
                <rule name="TempRewriteToWeb" stopProcessing="false">                                  
                    <match url="^(web/)?(.*)$" />
                    <action type="Rewrite" url="web/{R:2}" logRewrittenUrl="true" />
                </rule>              
                <rule name="StaticFiles" stopProcessing="true">                                  
                    <match url="^(.*)$" />
                     <conditions logicalGrouping="MatchAll" trackAllCaptures="false">
                        <add input="{REQUEST_FILENAME}" matchType="IsFile"/>                        
                    </conditions>
                    <action type="Rewrite" url="{R:0}" logRewrittenUrl="true" />
                </rule>                     
                <rule name="RewriteRequestsToPublic" stopProcessing="true">
                    <match url="^(web/)(.*)$" />
                    <action type="Rewrite" url="web/app_local.php?{R:2}" logRewrittenUrl="true"/>
                </rule>               
            </rules>
        </rewrite>
    </system.webServer>
</configuration>