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69 lines
4.7 KiB
Markdown
69 lines
4.7 KiB
Markdown
# URL Variable Tools
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## Introduction
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This page lists a number of "page options" , "rendering tools" or "special URL variables" that you can use to debug your
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SilverStripe applications. These are consumed in PHP using the $_REQUEST or $_GET superglobals throughout the SilverStripe
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core.
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**General Usage**
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Append the option and corresponding value to your URL in your browser's address bar. You may find the [Firefox UrlParams extension](https://addons.mozilla.org/en-US/firefox/addon/1290) useful in order to debug a POST requests (Like Forms).
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http://yoursite.com/page?option_name=value
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http://yoursite.com/page?option_1=value&option_2=value
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## Templates
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| 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 |
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| 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**. |
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## General Testing
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| 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. |
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| isTest | | 1 | | See above. |
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| debug | | 1 | | Show a collection of debugging information about the director / controller operation |
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| debug_request | | 1 | | Show all steps of the request from initial `[api:HTTPRequest]` to `[api:Controller]` to Template Rendering |
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## Classes and Objects
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| debugmethods | | 1 | | Shows all methods available when an object is constructed (useful when extending classes or using object extensions) |
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| debugfailover | | 1 | | Shows failover methods from classes extended |
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## Database
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| showqueries | | 1 | | List all SQL queries executed |
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| previewwrite | | 1 | | List all insert / update SQL queries, and **don't** execute them. Useful for previewing writes to the database. |
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## Security Redirects
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You can set an URL to redirect back to after a [Security](/topics/security) action. See the section on [URL
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Redirections](security#redirect_back_to_another_page_after_login) for more information and examples.
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| BackURL | | URL | | Set to a relative URL string to use once Security Action is complete |
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## Building and Publishing URLS
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| Site URL | | Action |
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| -------- | | ------ |
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| http://localhost**/dev/build** | | Rebuild the entire database and manifest, see below for additional URL Variables |
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| http://localhost**/admin/pages/publishall/** | | Publish all pages on the site
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### /dev/build
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| quiet | | 1 | | Don't show messages during build |
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| dont_populate | | 1 | | Don't run **requireDefaultRecords()** on the models when building. This will build the table but not insert any records |
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