DIC tags

Question 1

auto_alias

Answer 1

Define aliases based on the value of container parameters

Question 2

console.command

Answer 2

Add a command to the application

Question 3

container.hot_path

Answer 3

Add to list of always needed services

Question 4

container.no_preload

Answer 4

Remove a class from the list of classes preloaded by PHP

Question 5

container.preload

Answer 5

Add some class to the list of classes preloaded by PHP

Question 6

controller.argument_value_resolver

Answer 6

Register a value resolver for controller arguments such as Request

Question 7

data_collector

Answer 7

Create a class that collects custom data for the profiler

Question 8

doctrine.event_listener

Answer 8

Add a Doctrine event listener

Question 9

doctrine.event_subscriber

Answer 9

Add a Doctrine event subscriber

Question 10

form.type

Answer 10

Create a custom form field type

Question 11

form.type_extension

Answer 11

Create a custom “form extension”

Question 12

form.type_guesser

Answer 12

Add your own logic for “form type guessing”

Question 13

kernel.cache_clearer

Answer 13

Register your service to be called during the cache clearing process

Question 14

kernel.cache_warmer

Answer 14

Register your service to be called during the cache warming process

Question 15

kernel.event_listener

Answer 15

To listen to different events/hooks in Symfony

Question 16

kernel.event_subscriber

Answer 16

To subscribe to a set of different events/hooks in Symfony

Question 17

kernel.fragment_renderer

Answer 17

Add a new HTTP content rendering strategy

Question 18

kernel.reset

Answer 18

Clean up services between requests

Question 19

mime.mime_type_guesser

Answer 19

Add your own logic for guessing MIME types

Question 20

monolog.logger

Answer 20

To use a custom logging channel with Monolog

Question 21

monolog.processor

Answer 21

Add a custom processor for logging

Question 22

routing.loader

Answer 22

Register a custom service that loads routes

Question 23

routing.expression_language_provider

Answer 23

Register a provider for expression language functions in routing

Question 24

security.expression_language_provider

Answer 24

Register a provider for expression language functions in security

Question 25

security.remember_me_aware

Answer 25

To allow remember me authentication

Question 26

security.voter

Answer 26

To add a custom voter to Symfony’s authorization logic

Question 27

serializer.encoder

Answer 27

Register a new encoder in the serializer service

Question 28

serializer.normalizer

Answer 28

Register a new normalizer in the Serializer service

Question 29

swiftmailer.default.plugin

Answer 29

Register a custom SwiftMailer Plugin

Question 30

translation.loader

Answer 30

To register a custom service that loads translations

Question 31

translation.extractor

Answer 31

To register a custom service that extracts messages from a file

Question 32

translation.dumper

Answer 32

To register a custom service that dumps messages to a file

Question 33

twig.extension

Answer 33

To register a custom Twig Extension

Question 34

twig.loader

Answer 34

Register a custom service that loads Twig templates

Question 35

twig.runtime

Answer 35

To register a custom Lazy-Loaded Twig Extension

Question 36

validator.constraint_validator

Answer 36

Create your own custom validation constraint

Question 37

validator.initializer

Answer 37

Register a service that initializes objects before validation