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Symfony v4.4 Documentation
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 来源:Symfony 浏览 349 扫码 分享 2021-07-30 20:44:15
  • Bugs
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  • Security
  • Tests
  • Backward Compatibility
  • Coding Standards
  • Code Conventions
  • Git
  • License
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  • Getting Started
    • Setup
      • Using Symfony with Homestead/Vagrant
      • Configuring a Web Server
      • How to Use PHP’s built-in Web Server
      • Upgrading a Third-Party Bundle for a Major Symfony Version
      • Setting up or Fixing File Permissions
      • Symfony Local Web Server
      • How to Install or Upgrade to the Latest, Unreleased Symfony Version
      • Upgrading a Major Version (e.g. 4.4.0 to 5.0.0)
      • Upgrading a Minor Version (e.g. 4.0.0 to 4.1.0)
      • Upgrading a Patch Version (e.g. 4.1.0 to 4.1.1)
    • Creating Pages
      • Symfony versus Flat PHP
      • Symfony and HTTP Fundamentals
    • Controllers
    • Templates
  • Guides
    • Bundles
      • How to Override any Part of a Bundle
      • Best Practices for Reusable Bundles
      • How to Create Friendly Configuration for a Bundle
      • How to Load Service Configuration inside a Bundle
      • How to Simplify Configuration of Multiple Bundles
    • Cache
      • cache.adapter.apcu
      • cache.adapter.array
      • cache.adapter.doctrine
      • cache.adapter.filesystem
      • cache.adapter.memcached
      • cache.adapter.pdo
      • cache.adapter.psr6
      • cache.adapter.redis
    • Console
      • How to Call Other Commands
      • How to Color and Style the Console Output
      • How to Call a Command from a Controller
      • How to Define Commands as Services
      • How to Hide Console Commands
      • Console Input (Arguments & Options)
      • How to Make Commands Lazily Loaded
      • Prevent Running the Same Console Command Multiple Times
      • How to Style a Console Command
      • Verbosity Levels
      • Question Helper
      • Formatter Helper
      • Progress Bar
      • Table
      • Debug Formatter Helper
    • Contributing
      • Code of Conduct
        • Code of Conduct
        • Reporting Guidelines
        • CARE Team
        • Code of Conduct: Concrete Example Document
      • Code
        • Bugs
        • Getting a Stack Trace
        • Pull Requests
        • Maintenance
        • The Core Team
        • Security
        • Tests
        • Backward Compatibility
        • Coding Standards
        • Code Conventions
        • Git
        • License
      • Documentation
        • Overview
        • Format
        • Documentation Standards
        • License
      • Community
        • Release Process
        • Respectful Review comments
        • Community Reviews
      • Diversity
        • Governance
    • Databases (Doctrine ORM)
      • How to Work with Doctrine Associations / Relations
      • Doctrine Events
      • How to Implement a Registration Form
      • How to Register custom DQL Functions
      • How to Use Doctrine DBAL
      • How to Work with multiple Entity Managers and Connections
      • How to Define Relationships with Abstract Classes and Interfaces
      • How to Generate Entities from an Existing Database
      • How to Test A Doctrine Repository
    • Deployment
      • How to Configure Symfony to Work behind a Load Balancer or a Reverse Proxy
    • Event Dispatcher
      • How to Set Up Before and After Filters
      • How to Customize a Method Behavior without Using Inheritance
    • Flex
    • Forms
      • Form Types Reference
    • HTTP Cache
    • Logging
      • How to Configure Monolog to Email Errors
      • How to Log Messages to different Files
      • How to Define a Custom Logging Formatter
      • How to Add extra Data to Log Messages via a Processor
      • Handlers
      • How to Configure Monolog to Exclude Specific HTTP Codes from the Log
      • How to Configure Monolog to Display Console Messages
    • Messenger
    • Performance
    • Profiler
    • Serializer
      • Normalizers
      • How to Create your Custom Encoder
      • How to Create your Custom Normalizer
    • Service Container
      • How to Create Service Aliases and Mark Services as Private
      • Defining Services Dependencies Automatically (Autowiring)
      • Service Method Calls and Setter Injection
      • How to Work with Compiler Passes
      • How to Configure a Service with a Configurator
      • How to Debug the Service Container & List Services
      • How to work with Service Definition Objects
      • How to Inject Values Based on Complex Expressions
      • Using a Factory to Create Services
      • How to Import Configuration Files/Resources
      • Types of Injection
      • Lazy Services
      • How to Make Service Arguments/References Optional
      • How to Manage Common Dependencies with Parent Services
      • How to Retrieve the Request from the Service Container
      • How to Decorate Services
      • Service Subscribers & Locators
      • How to Define Non Shared Services
      • How to Inject Instances into the Container
      • How to Work with Service Tags
    • Sessions
    • Testing
    • WebLink
    • Workflow
  • Components
    • Asset
    • BrowserKit
    • Cache
    • Config
    • Console
    • Contracts
    • CssSelector
    • DependencyInjection
    • DomCrawler
    • Dotenv
      • Nov 2018 Changes to .env & How to Update
      • Environment Variable Processors
      • Understanding how the Front Controller, Kernel and Environments Work together
      • Building your own Framework with the MicroKernelTrait
      • How To Create Symfony Applications with Multiple Kernels
      • How to Override Symfony’s default Directory Structure
      • How to Keep Sensitive Information Secret
      • Using Parameters within a Dependency Injection Class
    • EventDispatcher
    • ExpressionLanguage
    • Filesystem
    • Finder
    • Form
      • Bootstrap 4 Form Theme
      • How to Choose Validation Groups Based on the Clicked Button
      • How to Create a Custom Form Field Type
      • How to Create a Form Type Extension
      • How to Choose Validation Groups Based on the Submitted Data
      • When and How to Use Data Mappers
      • How to Use Data Transformers
      • How to Use the submit() Function to Handle Form Submissions
      • How to Disable the Validation of Submitted Data
      • How to Dynamically Modify Forms Using Form Events
      • How to Embed Forms
      • Form Events
      • How to Embed a Collection of Forms
      • How to Customize Form Rendering
      • How to Access Services or Config from Inside a Form
      • How to Work with Form Themes
      • How to Reduce Code Duplication with “inherit_data”
      • How to Submit a Form with Multiple Buttons
      • Creating a custom Type Guesser
      • How to Unit Test your Forms
      • How to Configure empty Data for a Form Class
      • How to Dynamically Configure Form Validation Groups
      • How to Define the Validation Groups to Use
      • How to Use a Form without a Data Class
    • HttpClient
    • HttpFoundation
      • Configuring Sessions and Save Handlers
      • Integrating with Legacy Sessions
      • Testing with Sessions
      • Session Management
      • Extending Action Argument Resolving
      • How to Customize Error Pages
      • How to Forward Requests to another Controller
      • How to Define Controllers as Services
      • How to Create a SOAP Web Service in a Symfony Controller
      • How to Upload Files
      • Store Sessions in a Database
      • Making the Locale “Sticky” during a User’s Session
      • Bridge a legacy Application with Symfony Sessions
      • Session Proxy Examples
      • Cache Invalidation
      • Varying the Response for HTTP Cache
      • Working with Edge Side Includes
      • HTTP Cache Expiration
      • Working with Server Side Includes
      • HTTP Cache Validation
      • How to Use Varnish to Speed up my Website
    • HttpKernel
    • Intl
      • CountryType Field
      • CurrencyType Field
      • LanguageType Field
      • LocaleType Field
      • TimezoneType Field
    • Ldap
    • Lock
    • Mailer
    • Messenger
      • How to Create Your own Messenger Transport
      • Transactional Messages: Handle New Messages After Handling is Done
      • Getting Results from your Handler
      • Multiple Buses
    • Mime
    • Notifier
    • OptionsResolver
    • PHPUnit Bridge
    • PasswordHasher
      • Authentication (Identifying/Logging in the User)
      • Authorization (Denying Access)
    • Process
    • PropertyAccess
    • PropertyInfo
    • Routing
      • How to Create a custom Route Loader
      • Looking up Routes from a Database: Symfony CMF DynamicRouter
    • Runtime
    • Security
      • Authentication
      • Authorization
      • The Firewall and Authorization
      • Securely Generating Random Values
      • How Does the Security access_control Work?
      • How to Customize Access Denied Responses
      • How to Use Access Control Lists (ACLs)
      • Built-in Authentication Providers
      • How to Implement CSRF Protection
      • How to Create a custom Authentication Provider
      • Security: Complex Access Controls with Expressions
      • How to Restrict Firewalls to a Request
      • How to Force HTTPS or HTTP for different URLs
      • Using the form_login Authentication Provider
      • How to Build a Login Form
      • Custom Authentication System with Guard (API Token Example)
      • How to Impersonate a User
      • How to Build a JSON Authentication Endpoint
      • Authenticating against an LDAP server
      • How to Use Multiple Guard Authenticators
      • How to Use A Different Password Encoder Algorithm Per User
      • How to Migrate a Password Hash
      • How to Add “Remember Me” Login Functionality
      • How to Add a Reset Password Feature
      • How to Secure any Service or Method in your Application
      • How to Create and Enable Custom User Checkers
      • Security User Providers
      • How to Use Voters to Check User Permissions
      • Security Configuration Reference (SecurityBundle)
    • Serializer
    • Stopwatch
    • String
    • Templating
      • How to Use PHP instead of Twig for Templates
      • How to Inject Variables Automatically into all Templates
      • How to Embed Asynchronous Content with hinclude.js
      • How to Write a custom Twig Extension
    • Translation
      • How to Translate Messages using the ICU MessageFormat
      • How to Work with the User’s Locale
      • How to Find Missing or Unused Translation Messages
      • How to Find Errors in Translation Files
      • The XLIFF format
    • Uid
    • Validator
      • How to Create a Custom Validation Constraint
      • How to Apply only a Subset of all Your Validation Constraints (Validation Groups)
      • How to Validate Raw Values (Scalar Values and Arrays)
      • How to Sequentially Apply Validation Groups
      • How to Handle Different Error Levels
      • How to Translate Validation Constraint Messages
    • VarDumper
      • Advanced Usage of the VarDumper Component
    • VarExporter
    • WebLink
    • Webpack Encore
      • Getting Started
        • Installation
        • First Example
      • Adding more Features
        • CSS Preprocessors: Sass, LESS, etc
        • PostCSS and autoprefixing
        • Enabling React.js
        • Enabling Vue.js (vue-loader)
        • Copying & Referencing Images
        • Configuring Babel
        • Source maps
        • Enabling TypeScript (ts-loader)
      • Optimizing
        • Versioning (and the entrypoints.json/manifest.json files)
        • Using a CDN
        • Async Code Splitting
        • Preventing Duplication by “Splitting” Shared Code into Separate Files
        • Creating a “Shared” entry for re-used modules
        • Inlining files in CSS with Webpack URL Loader
      • Guides
        • Using Bootstrap CSS & JS
        • Creating Page-Specific CSS/JS
        • jQuery and Legacy Applications
        • Passing Information from Twig to JavaScript
        • webpack-dev-server and Hot Module Replacement (HMR)
        • Adding custom loaders & plugins
        • Advanced Webpack Configuration
        • Using Encore in a Virtual Machine
      • Issues & Questions
        • FAQ & Common Issues
      • How to Use a Custom Version Strategy for Assets
    • Workflow
      • How to Dump Workflows
      • Workflows and State Machines
    • Yaml
      • The YAML Format
  • Reference
    • Basic Constraints
      • NotBlank
      • Blank
      • NotNull
      • IsNull
      • IsTrue
      • IsFalse
      • Type
    • String Constraints
      • Email
      • Length
      • Url
      • Regex
      • Ip
      • Json
      • Uuid
      • UserPassword
      • NotCompromisedPassword
    • Comparison Constraints
      • EqualTo
      • NotEqualTo
      • IdenticalTo
      • NotIdenticalTo
      • LessThan
      • LessThanOrEqual
      • GreaterThan
      • GreaterThanOrEqual
      • Range
      • DivisibleBy
      • Unique
    • Number Constraints
      • Positive
      • PositiveOrZero
      • Negative
      • NegativeOrZero
    • Date Constraints
      • Date
      • DateTime
      • Time
      • Timezone
    • Choice Constraints
      • Choice
      • Language
      • Locale
      • Country
    • File Constraints
      • File
      • Image
    • Financial and other Number Constraints
      • Bic
      • CardScheme
      • Currency
      • Luhn
      • Iban
      • Isbn
      • Issn
    • Other Constraints
      • Callback
      • Expression
      • All
      • Valid
      • Traverse
      • Collection
      • Count
      • UniqueEntity
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