Symfony Cheat Sheet
Symfony CLI: Installation
Routing Attributes
curl -sS https://get.symfony.com/cli/installer | bash
use Symfony\Component\Routing\Attribute\Route;
Symfony CLI: Basic Commands
Command Description
symfony check:requirements Check system requirements for running Symfony
symfony version Display the Symfony CLI version
symfony help Display all available commands
symfony help <command> Display help for a specific command
Attribute Description
#[Route('/path')] Define a route for a controller method
#[Route('/path', name: 'name')] Define a named route for a method
#[Route('/path', methods: ['GET'])] Define allowed HTTP methods
#[Route('/blog/{slug}')] Define a route with a parameter
#[Route('/page/{page}', requirements:
Define a route with a parameter constraint
['page' => '\d+'])]
#[Route(path: ['en' => '/about-us',
Define localized routes
'nl' => '/over-ons'], name: 'about')]
Creating a New Symfony Project
Command Description
symfony new <directory> Create a new Symfony project in
symfony new --webapp <directory> Create a new web application
symfony new --api <directory> Create a new API application
composer create-project
Create a new Symfony project using Composer
symfony/skeleton <directory>
Method Description
$this->render('template.html') Returns a Response with the rendered template
$this->redirectToRoute('homepage') Returns a RedirectResponse to a named route
$this->redirectToRoute('name', ['param'
Returns a redirect to a route with parameters
=> 'value'])
$this->redirectToRoute('name', [], 301) Returns a RedirectResponse with status code
$this->redirect('http://example.com') Returns a RedirectResponse to an external URL
$this->createNotFoundException($msg) Returns a NotFoundHttpException
$this->createForm(FormType::class,
Creates a new Form instance based on the type
$data)
AbstractController Methods
Flex Commands
Command Description
composer symfony:dump-env <env> Compile .env files to .env.local.php
composer symfony:recipes List available recipes
symfony:recipes:install (Re)install recipes for packages
symfony:recipes:update Update installed recipes
Form Methods
Method Description
$form->handleRequest($request) Handle a form submission
$form->isSubmitted() Check if the form was submitted
$form->isValid() Check if the form is valid
Form Fields: Text Fields
Form Fields: Symfony UX Fields
Type Description
TextType A basic text input field
TextareaType A multi-line textarea field
EmailType An email field ()
PasswordType A password field
SearchType A search field
UrlType A URL field
TelType A tel (phone number) input field
UuidType A UUID field
Type Description
CropperType A Cropper.js image cropper field
DropzoneType A Dropzone file upload field
Form Fields: Date and Time Fields
Form Fields: Numeric Fields
Type Description
IntegerType A number field for integers
MoneyType A money field, with a specifiable currency
NumberType A number field
PercentType A number field for percentages
RangeType A range input field (slider)
Type Description
DateType A date field
DateIntervalType A date interval field
DateTimeType A date and time field
TimeType A time field
BirthdayType A date field for birthdays
WeekType Select a year and week
Type Description
CheckboxType A single checkbox field
FileType A file upload field
RadioType A radio button field
HiddenType A hidden field
Form Fields: Other Fields
Form Fields: Choice Fields
Type Description
ChoiceType Field for selecting one or more options
EnumType Choose from PHP enum cases
EntityType Choose from a Doctrine entity
CountryType Choose a country
LanguageType Choose a language
LocaleType Choose a locale
TimezoneType Choose a timezone
CurrencyType Choose a currency
The expanded and multiple options decide whether a dropdown, radio buttons or checkboxes are rendered.
Form Fields: Field Groups
Type Description
CollectionType A group of fields that can be added or removed
RepeatedType A field that is repeated (e.g. password confirmation)
See https://symfony.com/doc/current/reference/forms/types.html for a full list of form types.
Validation: Basic Constraints
Validation: Number Constraints
use Symfony\Component\Validator\Constraints as Assert;
Attribute Description
#[Assert\NotBlank] Value is not an empty string/array, false or null
#[Assert\Blank] Value is an empty string or null
#[Assert\NotNull] Value is not strictly equal to null
#[Assert\IsNull] Value is exactly equal to null
#[Assert\Type('string')] Value is of a specific type
Attribute Description
#[Assert\Positive<OrZero>] Value is positive (or zero)
#[Assert\Negative<OrZero>] Value is negative (or zero)
Attribute Description
#[Assert\Date] Value is a valid date string in Y-m-d format
#[Assert\DateTime] Value is a valid datetime in the specified format
#[Assert\Time] Value is a valid time string in H:i:s format
#[Assert\Timezone] Value is a valid timezone identifier
Validation: Date and Time Constraints
Validation: Comparison Constraints
Attribute Description
#[Assert\<Not>EqualTo('Foo')] Value is (not) equal to another value
#[Assert\<Not>IdenticalTo('Foo')] Value is (not) identical to another value
#[Assert\LessThan<OrEqual>(5)] Value is less than (or equal to) another value
#[Assert\GreaterThan<OrEqual>(5)] Value is greater than (or equal to) another value
#[Assert\Range(min: 2, max: 10)] Number or DateTime object is within a range
Attribute Description
#[Assert\Choice(['A', 'B', 'C'])] Value is one of the specified choices
#[Assert\Country] Value is a valid ISO 3166-1 country code
#[Assert\Language] Value is a valid two-letter language code
#[Assert\Locale] Value is a valid locale identifier
Validation: Choice Constraints
Validation: String Constraints
Attribute Description
#[Assert\Length(2, 10)] String is between
#[Assert\Email] String is a valid email address
#[Assert\Url] String is a valid URL
#[Assert\Hostname] String is a valid hostname
#[Assert\Ip] String is a valid IP address
#[Assert\NoSuspiciousCharacters] String does not contain spoofing characters
#[Assert\Uuid] String is a valid UUID
#[Assert\CssColor] String is a valid CSS color
Attribute Description
#[Assert\Bic] Value is a valid Business Identifier Code (BIC)
#[Assert\CardScheme] Value is a valid credit card number
#[Assert\Currency] Value is a valid 3-letter ISO 4217 currency
#[Assert\Luhn] Value passes the Luhn algorithm
#[Assert\Iban] Value is a valid IBAN
#[Assert\Isbn] Value is a valid ISBN
Validation: File Constraints
Attribute Description
#[Assert\File] Value is a valid file path or File object
#[Assert\Image] Same as File, but only accepts image MIME types
Validation: Financial and other Number Constraints
Validation: Password Constraints
Attribute Description
#[Assert\UserPassword] String is the authenticated user’s password
#[Assert\NotCompromisedPassword] Password is not found in any data breaches
#[Assert\PasswordStrength] Password has a enough entropy
Symfony Twig Extensions
Twig: Security Functions
On top of the default Twig functions and filters, Symfony provides additional functions and filters. See https://symfony.com/doc/current/reference/twig_reference.html for a full reference.
Twig: Routing Functions
Function Description
path('home') Returns the relative URL for a route
path('blog_post', {id: 3}) Returns the relative URL for a route with parameters
url('home') Returns the absolute URL for a route
url('blog_post', {id: 3}) Returns the absolute URL for a route with params
url('home', [], true) Returns a scheme-relative URL for a route
absolute_url('/blog/3') Returns the absolute URL for a path
relative_path('/blog/3') Returns the relative URL for a path
Function Description
is_granted('ROLE_USER') Check if the current user has a role
is_granted('edit', post) Check if the current user can edit a post
csrf_token('delete-item') Generate a CSRF token for a specific intention
logout_path('main') Generate a relative logout URL for the given firewall
Generate an absolute logout URL for the given
logout_url('main')
firewall
Function Description
asset('style.css') Returns the public path for an asset
asset_version() Returns the asset version
importmap() Outputs the importmap
Twig: Asset Functions
Twig: Form Functions
Function Description
form(form) Renders the complete form
form(form, {'method': 'GET'}) Renders the form, overriding some options
form_start(form) Renders the opening
form_label(field) Renders the label for the given field
form_help(field) Renders the help text for the given field
form_errors(field) Renders any errors for the given field
form_widget(field) Renders the HTML widget for the given field
Renders the complete row for the given field,
form_row(field)
including the label, errors, help and widget
form_rest(form) Renders all fields that have not been rendered yet
Twig: Translation Filters
Tag Description
{% trans %}message{% endtrans %} Translate a translation message in the default locale
{% trans with {'name': 'value'} %}... Translate a message with parameters
{% trans from 'app' %}... Translate a message from a specific domain
{% trans into 'nl' %}... Translate a message to a specific locale
{% trans_default_domain 'app' %} Set the default translation domain for this template
Filter Description
'foo'|trans Translate a message
'foo'|trans({name: 'value'}) Translate a message with parameters
'foo'|trans({name: 'value'}, 'app') Translate a message from a specific domain
'foo'|trans({}, null, 'nl') Translate a message to a specific locale
Twig: Translation Tags
Twig: Form Tags
Tag Description
{% form_theme form
Apply a form theme to a single form
'bootstrap_5_layout.html.twig' %}
Filter Description
'dateOfBirth'|humanize Transform a string into a human-readable format
':+1:'|emojify Convert emoji shortcodes to Unicode emojis
Twig: String Filters
Console: Basic Usage
Console: Linting Commands
Command Description
bin/console List all available commands
bin/console <namespace> List all available commands in a namespace / bundle
bin/console <command> Run a command
bin/console help <command> Display help for a command
bin/console --env=<env> Run the console in dev/test/prod
bin/console -v|vv|vvv Increase output verbosity
bin/console cache:clear Clear the cache
bin/console cache:warmup Warm up an empty cache
Command Description
bin/console lint:container Check service arguments for type mismatches
bin/console lint:twig <directory> Lint Twig templates for syntax errors
bin/console lint:yaml <directory> Lint YAML files for syntax errors
bin/console lint:xliff <directory> Lint XLIFF translation files for syntax errors
Command Description
bin/console asset-map:compile Compile assets for production
bin/console importmap:require <package> Add an NPM package to the import map
bin/console importmap:install Download all importmap packages
bin/console importmap:update Update all importmap packages
bin/console importmap:remove <package> Remove a package from the importmap
bin/console importmap:outdated List outdated importmap packages
bin/console importmap:audit Check dependencies for vulnerabilities
Console: AssetMap Commands
Console: Debugging Commands
Command Description
bin/console debug:asset-map Display all mapped assets
bin/console debug:autowiring List all autowireable services
bin/console debug:config <bundle> Dump bundle configuration
bin/console debug:container List all public services
bin/console debug:container <service> Get information about a service
bin/console debug:container --env-vars Display container env vars
bin/console debug:container --tags List tagged public services
bin/console debug:container --tag=<t> List services with a specific tag
bin/console debug:dotenv Display parsed dotenv values
bin/console debug:dotenv <search> Display matching dotenv values
bin/console debug:event-dispatcher List all registered event listeners
bin/console debug:firewall <name> Display detailed information about a firewall
bin/console debug:form Display form type information
bin/console debug:messenger List dispatchable messages
bin/console debug:router List all registered routes
bin/console debug:router <name> Get information about a route
bin/console debug:translation <loc> Display messages for locale
bin/console router:match <path> Show matching route(s) for a path
Console: Doctrine Commands
Command Description
bin/console doctrine:database:create Create the configured database
bin/console doctrine:database:drop Drop the configured database
bin/console doctrine:mapping:info List mapped entities
bin/console doctrine:schema:update
Generate SQL statements to sync the DB schema
--dump-sql
bin/console doctrine:schema:update
Sync the DB schema with the mapping information
--force
bin/console doctrine:schema:validate Validate the mapping files
bin/console doctrine:query:sql <sql> Run a SQL query
bin/console doctrine:query:dql <dql> Run a DQL query
bin/console doctrine:fixtures:load Load data fixtures to the DB
Console: Autocompletion
bin/console completion bash | sudo tee /etc/bash_completion.d/console