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https://github.com/silverstripe/silverstripe-framework
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91 lines
7.1 KiB
Markdown
91 lines
7.1 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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sapphire applications. These are consumed in PHP using the $_REQUEST or $_GET super globals throughout the Sapphire
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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,all | | This will clear out all cached information about the page. This is used frequently during development - for example, when adding new PHP or SS files. See below for value descriptions. |
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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**. **flush** can be used with the following values: |
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| ?flush=1 | | | | Flushes the current page and included templates |
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| ?flush=all | | | | Flushes the entire template cache |
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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](/topics/debugging), enabling debugging messages to the browser on a live server. For security, you'll be asked to log in with an administrator log-in |
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| isTest | | 1 | | Put the site into [test mode](/topics/debugging), enabling debugging messages to the admin email and generic errors to the browser on a live server |
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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 decorators) |
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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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## Profiling
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| debug_memory | | 1 | | Output the number of bytes of memory used for this request |
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| debug_profile | | 1 | | Enable the [profiler](/topics/debugging) for the duration of the request |
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| profile_trace | | 1 | | Includes full stack traces, must be used with **debug_profile** |
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| debug_behaviour | | 1 | | Get profiling of [Behaviour.js](http://bennolan.com/behaviour) performance (Firebug recommended) |
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| debug_javascript | | 1 | | Force debug-output on live-sites |
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## Misc
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| URL Variable | | Values | | Description |
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| ------------ | | ------ | | ----------- |
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| forceFormat | | xhtml,html | | Force the content negotiator to deliver HTML or XHTML is allowed |
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| showspam | | 1 | | Show comments marked as spam when viewing Comments on a Page (Saving spam to the database must be enabled) |
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| ajax | | 1 | | Force request to process as AJAX request, useful for debugging from a browser |
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| force_ajax | | 1 | | Similar to **ajax** |
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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://yoursite.com**/dev/build** | | Rebuild the entire database and manifest, see below for additional URL Variables |
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| http://yoursite.com**/admin/publishall/** | | Publish all pages on the site |
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| http://yoursite.com**/anypage/images/flush** | | Creates new images for the page by deleting the resized ones and going back to the original to create new resized one |
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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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