TYPO3 Core APIs
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Introduction
Overview
Code examples
Feedback
Credits
Dedication
Extension Architecture
Introduction
Extensions and the Core
Files and locations
Files
Reserved file names
Reserved folders
System, Global and Local extensions
Local extensions
Global extensions
System extensions
Loading precedence
Choosing an extension key
About GPL and extensions
Security
Registering an extension key
Naming conventions
Note on "old" extensions:
Extending "extensions classes"
Installing extensions
Declaration file
Deprecated configuration
Configuration files
Best practice for ext_tables.php and ext_localconf.php
Configuration options
Extending the $TCA array
Storing the changes
Storing in extensions
Storing in the Overrides folder
Storing in ext_tables.php files
Changing the TCA "on the fly"
Customization examples
Example 1: extending the fe_users table
Example 2: extending the tt_content table
Verifying the $TCA
The Extension Manager (EM)
Creating a new extension
Kickstarting the extension
Creating a new distribution
Concept of distributions
Kickstarting the distribution
Configuring the distribution display in the EM
Fileadmin files
Database data
Distribution configuration
Delivering custom dependencies
Test your distribution
More information
Adding documentation
Sphinx project
README.rst
Other resources
TYPO3 explained
Directory structure
PHP Namespaces
Core example
Usage in extensions
Namespaces in Extbase
Namespaces for test classes
Creating instances
References
Autoloading
Autoloading classes since TYPO3 7.x
Loading classes without composer mode
Loading classes with composer mode
Best practices
Bootstrapping
Application Context
Custom Contexts
Usage Example
Variables and Constants
Constants
Table 1: Traditional List
Table 2: Base Constants
This version, branch and copyright
TYPO3 external links
String constants
Security related constant
Operating system identifier
Service error constants
Global variables
Exploring global variables
Backend User Object
Checking user access
Checking access to current backend module
Checking access to any backend module
Access to tables and fields?
Is "admin"?
Read access to a page?
Is a page inside a DB mount?
Selecting readable pages from database?
Saving module data
Getting module data
Getting TSconfig
Getting the username
Get User Configuration value
TYPO3 Core Engine (TCE)
Introduction
Database
Files
Database: DataHandler basics (formerly known as TCEmain)
Commands Array
Command keywords and values
Examples of commands:
Data Array
Examples of Data submission
Clear cache
Hook for cache post-processing
Flags in DataHandler
Using DataHandler in scripts
DataHandler examples
Submitting data
Executing commands
Clearing cache
Complex data submission
Both data and commands executed with alternative user object
The "tce_db.php" API
File functions basics
Files Array
Command keywords and values
The "tce_file.php" API
FormEngine
Introduction
Main rendering workflow
Data compiling
Data groups and providers
Extending data groups with own providers
Adding data to data array
Rendering
Class inheritance
NodeFactory
Result array
Node expansion
Add fieldControl example
Database Access
Introduction
Understanding Doctrine-Dbal and Doctrine-Orm
Low-level and high-level database calls
Credits
Configuration
Basic CRUD
INSERT a row
SELECT a single row
SELECT multiple rows with some WHERE magic
UPDATE multiple rows
DELETE a row
Class overview
ConnectionPool
Pooling
QueryBuilder
select() and addSelect()
count()
delete()
update() and set()
insert() and values()
from()
where(), andWhere() and orWhere()
join(), innerJoin(), rightJoin() and leftJoin()
orderBy() and addOrderBy()
groupBy() and addGroupBy()
setMaxResults() and setFirstResult()
getSQL()
getParameters()
execute()
expr()
createNamedParameter()
quoteIdentifier() and quoteIdentifiers()
escapeLikeWildcards()
getRestrictions(), setRestrictions(), resetRestrictions()
Connection
insert()
bulkInsert()
update()
delete()
truncate()
count()
select()
lastInsertId()
createQueryBuilder()
ExpressionBuilder
Junctions
Comparisons
Aggregate functions
Various Expressions
TRIM
LENGTH
RestrictionBuilder
Rationale
Main construct
Restrictions
QueryRestrictionContainer
Examples
Statement
fetch()
fetchAll()
fetchColumn()
rowCount()
Re-use prepared Statement()
QueryHelper
parseOrderBy()
parseGroupBy()
parseTableList()
parseJoin()
stripLogicalOperatorPrefix()
getDateTimeFormats()
Migrating from TYPO3_DB
Compare raw queries
enableFields() and deleteClause()
From ->exec_UDATEquery() to ->update()
Result set iteration
sql_insert_id()
fullQuoteStr()
ext_tables.sql
extbase QueryBuilder
Various tips and tricks
Internationalization
Introduction to XLIFF
Basics
File locations and naming
Translating XLIFF files
The TYPO3 translation server
Translating locally
Custom translations
Custom languages
Custom translation servers
Programming with workspaces in mind
Frontend challenges in general
Summary
Frontend implementation guidelines
Frontend scenarios impossible to preview
Backend challenges
Workspace-related API for backend modules
Backend module access
Detecting current workspace
Using DataHandler with workspaces
Moving in workspaces
Digital assets management (FAL)
Introduction
Basic Concepts
Storages and drivers
Files and metadata
File references
Architecture
Overview
Folders
Processed files
Migrated files
Database structure
sys_file
sys_file_metadata
sys_file_reference
sys_file_processedfile
sys_file_collection
sys_file_storage
sys_filemounts
Components
Files and Folders
File References
Storage
Drivers
The File Index
Collections
Services
Signals and slots
\TYPO3\CMS\Core\Resource\ResourceStorage
\TYPO3\CMS\Core\Resource\ResourceFactory
\TYPO3\CMS\Core\Resource\Index\FileIndexRepository
\TYPO3\CMS\Core\Resource\Index\MetaDataRepository
\TYPO3\CMS\Core\Resource\Service\FileProcessingService
Administration
Permissions
System permissions
File mounts
User permissions
User permissions per storage
User permissions details
Default upload folder
Frontend permissions
File Storages
Maintenance
Scheduler tasks
Processed files
Using FAL
Using FAL in the frontend
TypoScript
Fluid
The ImageViewHelper
Get File Properties
FLUIDTEMPLATE
TCA definition
The ResourceFactory class
Getting the default Storage
Getting any Storage
Working with Files, Folders and File References
Getting a file
Copying a file
Adding a file
Creating a file reference
In the backend context
In the frontend context
Getting referenced files
Listing files in a folder
Working with collections
Caching framework
Quick start for Integrators
Change specific cache options
Garbage collection task
Configuration
Cache configurations
How to disable specific caches
Caching framework architecture
Basic knowhow
About the identifier
About tags
Caches in the TYPO3 Core
Garbage collection task
Cache API
Cache frontends
Frontend API
Available frontends
String Frontend
Variable Frontend
PHP Frontend
Cache backends
Backend API
Common options
Database Backend
InnoDB issues
Options
Memcached Backend
Warning and design constraints
Options
Redis Backend
Options
APC Backend
Xcache Backend
Wincache backend
File Backend
Options
Simple File Backend
PDO Backend
Options
Transient Memory Backend
Null Backend
Developer information
Cache registration and usage
Cache access logic
Using the system log
Making logging simple
Logging with TYPO3
Quickstart
Logger
Instantiation
Log() method
Shorthand methods
Configuration of the Logging system
Writer configuration
Processor configuration
The LogRecord model
Log Writers
Built-in Log Writers
DatabaseWriter
FileWriter
PhpErrorLogWriter
SyslogWriter
Custom Log Writers
Log Processors
Built-in Log Processors
IntrospectionProcessor
MemoryUsageProcessor
MemoryPeakUsageProcessor
WebProcessor
Custom Log Processors
Error and Exception Handling
Configuration
Error Handler
Production Exception Handler
Debug Exception Handler
Examples
Debugging and development setup
Production setup
Performance setup
How to extend the error and exception handling
Using the system registry
The registry table (sys_registry)
The registry API
Examples
Mail API
Configuration
mail
smtp
sendmail
mbox
<classname>
How to create and send mails
How to add attachments
How to add inline media
How to set and use a default sender
SwiftMailer documentation
Services
Introduction
Two reasons to use services
1. Freedom of implementation
2. Extend functionality with extensions
Using services
Service precedence
Simple use
Use with subtypes
Calling a chain of services
Configuration
Registration changes
Service configuration
Service type configuration
Developer's Guide
Introducing a new service type
Implementing a service
Service registration
PHP class
Service API
Service implementation
Getter methods for service information
Error handling
General service functions
I/O tools
I/O Input and I/O output
Service-related API
\TYPO3\CMS\Core\Utility\ExtensionManagementUtility
\TYPO3\CMS\Core\Utility\GeneralUtility
Authentication
Why use services?
The authentication process
The login data
The "auth" services API
The service chain
Developing an authentication service
Advanced options
Form protection tool
Usage in the backend
Usage in the Install Tool
Flash messages
Flash messages API
Flash messages severities
Flash messages renderer
Flash messages in Extbase
JavaScript-based flash messages (Notifications API)
System categories
Using categories
Managing categories
Making a table categorizable
Using categories in flexforms
System categories API
Category collections
Usage with TypoScript
System collections
Record collections
File collections
Collections API
Example
Enumerations
How To Use Enumerations
Create an Enumeration
Use an Enumeration
Exceptions
Implement custom logic
HTTP request library / Guzzle / PSR-7
Basic usage
Icon API
Registration
IconProvider
Use icons in your code
The PHP way
The Fluid ViewHelper
Hooks and Signals
The concept of "hooks" and "signals"
Hooks and Signals vs. XCLASS extensions
Proposing hooks or signals
Using hooks
Using Signals
Finding Signals
Hook configuration
$GLOBALS['TYPO3_CONF_VARS']['EXTCONF']
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']
$GLOBALS['TYPO3_CONF_VARS']['TBE_MODULES_EXT']
Creating hooks
Using TYPO3CMSCoreUtilityGeneralUtility::makeInstance()
Using with TYPO3CMSCoreUtilityGeneralUtility::callUserFunction()
Extending classes (XCLASSes)
Introduction
How does it work?
Limitations
Declaration
Coding practices
Feature Toggles
Naming of Feature Toggles
Using the API as extension author
Core Feature Toggles
Example: Enable Feature Toggle
JavaScript in TYPO3
In-depth presentation
Client-Side programming
Server-side programming
Different Content Formats
Plain Text
XML
JSON
Developing with AJAX in the TYPO3 Backend
RequireJS in the TYPO3 Backend
Credits
Use RequireJS in your own extension
Dependency Handling
Loading your own or other RequireJS modules
Shim library to use it as own RequireJS modules
Soft References
Default soft reference parsers
substitute
notify
images
typolink
typolink_tag
ext_fileref
email
url
User-defined soft reference parsers
Session Storage Framework
Database storage backend
Using Redis to store sessions
Writing your own session storage
References
Rich Text Editors (RTE)
Rich Text Editors in the TYPO3 backend
Introduction
Plugging a RTE
API for Rich Text Editors
Transformations
Introduction
Hybrid modes
In Database
In RTE
Configuration
Where transformations are performed
Process illustration
Step 1: The RTE Applications
Step 2: The RTE-specific Transformation
Step 3: The Main Transformation
Step 4: The Database
Step 5: Rendering the website
Step 6: The Website
Content Examples
Transformation overview
Transformation filters
Meta transformations
Page TSconfig
Examples
RTE configuration
disabled
proc
RTE-specific
Processing configuration
overruleMode
allowTagsOutside
allowTags
denyTags
blockElementList
HTMLparser_rte, HTMLparser_db
dontRemoveUnknownTags_db
allowedClasses
keepPDIVattribs
dontFetchExtPictures
plainImageMode
exitHTMLparser, entryHTMLparser
User transformations
Custom transformations API
Custom transformation key
Registering the transformation key in the system
Code listing
Historical perspective on RTE transformations
Properties and transformations
RTE transformations in Content Elements
Conclusion
TypoScript Syntax Study
Introduction
About this chapter
What is TypoScript?
PHP arrays
TypoScript syntax, object paths, objects and properties
Note about perceived semantics
Note about the internal structure when parsed into a PHP array
Credits
Syntax
Introduction
Example
Contexts
TypoScript syntax
Example:
object path
operator
value
Comments
Example:
Comment blocks
Rules:
Example:
Value assignment: The "=" operator
Rules:
Value modifications: The ":=" operator
Rules:
Example:
Code blocks: The { } signs
Rules:
Example:
Multi-line values: The ( ) signs
Rules:
Example:
Object copying: The "<" sign
Example:
References: the "=<" sign
Example
Object unsetting: The ">" Sign
Example:
Conditions: Lines starting with "["
Rules:
Example:
Conditions
Where conditions can be used
The syntax of conditions
Combining conditions
The special [ELSE], [END] and [GLOBAL] conditions
Where to insert conditions in TypoScript?
The [GLOBAL] condition
Summary
Includes
Alternative, traditional Syntax
Conditions
Best practices
TypoScript Templates
Usage
Entering and structuring TypoScript templates
Inclusions
Template Analyzer
Constants
What are constants?
Example
Using constants
Example
Declaring constants for the Constant Editor
Default values:
Comments:
Keys:
cat=
Predefined categories
Custom categories
Subcategories
Predefined subcategories
Custom subcategories
Constants ordering
type=
label=
Debugging
TSconfig
Entering Page TSconfig
Entering User TSconfig
Sorting out details
Parsing, storing and executing TypoScript
Parsing TypoScript
Storing parsed TypoScript
Executing TypoScript
Myths, FAQ and acknowledgements
Myth: "TypoScript is a scripting language"
Myth: "TypoScript has the same syntax as JavaScript"
Myth: "TypoScript is a proprietary standard"
Myth: "TypoScript is very complex"
Why not XML instead?
The TypoScript parser API
Introduction
Parsing custom TypoScript
Root level
->COLORS
->ADMINFO
A case story
Implementing custom conditions
Next steps
Page types
Create new Page Type
User Settings Configuration
['columns'] section
['showitem'] section
Extending the User Settings
Checking the configuration
Extension scanner
Introduction
Goals and non goals
Limits
Extension authors
Project developers
Core developers
Connection to Changelog RST files
Extension scanner PHP configuration
Various examples
Debugging
Rendering page trees
Accessing the clipboard
Putting elements into the clipboard
Context-Sensitive Menus
Context menu rendering flow
Markup
ContextMenuController
Item providers registration
Gathering items
Menu rendering in JavaScript
API usage in the Core
Adding context menu to elements in your backend module
Disabling context menu items from TSConfig
Tutorial: How to add a custom context menu item
Step 1: Item provider registration
Step 2: Implementation of the item provider class
Step 3: JavaScript actions
Parsing HTML
Extracting blocks from an HTML document
Extracting single tags
Cleaning HTML content
Advanced processing
Links to edit records
Editing a record
Editing only a few fields from a record
Creating a form for new elements
Support for custom tables in the Page module
Adding elements to the Content Element Wizard
Using custom permission options
Registration
Evaluation
Keys for options
Coding Guidelines
Introduction
Following PSR standards
The CGL as a means of quality assurance
PHP file formatting
General requirements for PHP files
File names
PHP tags
Line breaks
Line length
Whitespace and indentation
Character set
File structure
Namespace
Copyright notice
Included files
Class information block
PHP class
Optional module execution code
PHP syntax formatting
Identifiers
Comments
Debug output
Curly braces
Conditions
Switch
Loops
Strings
Booleans
NULL
Arrays
PHP features
Global variables
Functions
Using phpDoc
Class information block
Function information block
Short and long description
PHP architecture
Modeling Cross Cutting Concerns
Static methods, static classes, utility classes
Characteristica
Rationale
Good examples
Bad examples
Red Flags
Traits
Characteristica
Rationale
Good examples
Bad examples
Further reading
Services
Characteristica
Rationale
Good examples
Bad examples
Further reading
Working with exceptions
Introduction
Exception types
Typical cases for exceptions that are designed to be caught
Typical cases for exceptions that should not be caught
Typical exception arguments
Exception inheritance
Extending exceptions
Good examples
Bad examples
Further readings
General links
Coding: Best practices
Accessing the database
Singletons
Static methods
Example
Localization
Defining localized strings
Unit tests
Unit test files
Using unit tests
Adding unit tests
Conventions for unit tests
Handling deprecation
Namespaces and class names of user files
Data Formats
<T3DataStructure>
Elements
Elements nesting other elements ("Array" elements):
Elements containing values ("Value" elements):
Example
Sheet references
Example
Parsing a Data Structure
<T3locallang>
Elements
Elements nesting other elements ("Array" elements):
Elements containing values ("Value" elements):
<T3locallangExt>
Example: locallang-XML file for a backend module
Example: locallang-XML file (CSH) with reference to external include file
Next Steps
Targets For Cross-Referencing
TYPO3 Core APIs
Docs
»
TYPO3 explained
»
TypoScript Syntax Study
Edit me on GitHub
TypoScript Syntax Study
ΒΆ
Introduction
Syntax
Introduction
Contexts
TypoScript syntax
Conditions
Includes
TypoScript Templates
Usage
Entering and structuring TypoScript templates
Constants
Using constants
Declaring constants for the Constant Editor
Debugging
TSconfig
Sorting out details
Parsing, storing and executing TypoScript
Myths, FAQ and acknowledgements
The TypoScript parser API
Introduction
Parsing custom TypoScript
Implementing custom conditions
Next steps
Versions
Project
Contact
Issues
Repository
Downloads
Related Links
v: latest (9-dev)