4.5 KiB
URL Variable Tools
Introduction
This page lists a number of "page options" , "rendering tools" or "special URL variables" that you can use to debug your SilverStripe applications. These are consumed in PHP using the $_REQUEST or $_GET superglobals throughout the SilverStripe core.
General Usage
Append the option and corresponding value to your URL in your browser's address bar. You may find the Firefox UrlParams extension useful in order to debug a POST requests (Like Forms).
http://yoursite.com/page?option_name=value
http://yoursite.com/page?option_1=value&option_2=value
Templates
| URL Variable | | Values | | Description | | ------------ | | ------ | | ----------- | | flush=1 | | 1 | | Clears out all caches. Used mainly during development, e.g. when adding new classes or templates. Requires "dev" mode or ADMIN login | | showtemplate | | 1 | | Show the compiled version of all the templates used, including line numbers. Good when you have a syntax error in a template. Cannot be used on a Live site without isDev. |
General Testing
| URL Variable | | Values | | Description |
| ------------ | | ------ | | ----------- |
| isDev | | 1 | | Put the site into development mode, enabling debugging messages to the browser on a live server. For security, you'll be asked to log in with an administrator log-in. Will persist for the current browser session. |
| isTest | | 1 | | See above. |
| debug | | 1 | | Show a collection of debugging information about the director / controller operation |
| debug_request | | 1 | | Show all steps of the request from initial [api:HTTPRequest] to [api:Controller] to Template Rendering |
Classes and Objects
| URL Variable | | Values | | Description | | ------------ | | ------ | | ----------- | | debugfailover | | 1 | | Shows failover methods from classes extended |
Database
| URL Variable | | Values | | Description | | ------------ | | ------ | | ----------- | | showqueries | | 1 | | List all SQL queries executed | | previewwrite | | 1 | | List all insert / update SQL queries, and don't execute them. Useful for previewing writes to the database. |
Security Redirects
You can set an URL to redirect back to after a Security action. See the section on URL Redirections for more information and examples.
| URL Variable | | Values | | Description | | ------------ | | ------ | | ----------- | | BackURL | | URL | | Set to a relative URL string to use once Security Action is complete |
Building and Publishing URLS
| Site URL | | Action | | -------- | | ------ | | http://localhost**/dev/build** | | Rebuild the entire database and manifest, see below for additional URL Variables | | http://localhost**/admin/pages/publishall/** | | Publish all pages on the site
/dev/build
| URL Variable | | Values | | Description | | ------------ | | ------ | | ----------- | | quiet | | 1 | | Don't show messages during build | | dont_populate | | 1 | | Don't run requireDefaultRecords() on the models when building. This will build the table but not insert any records |