Chapters

23 Chapters | 2:20:28 |

01

Bundles!

6:11
02

KnpMarkdownBundle & Service

7:55
03

Cache Service

5:01
04

Configuring Bundles

6:30
05

The Service Container & Autowiring

6:23
06

Configuring the Cache Service

6:45
07

Environments

9:08
08

Controlling the prod Environment

4:26
09

Creating a Service

5:03
10

Autowiring Dependencies into a Service

6:45
11

Parameters

7:59
12

Service Config & Non-Autowireable Arguments

7:02
13

All about services.yaml

6:21
14

Binding Global Arguments

3:01
15

Named Autowiring

5:18
16

Fetching Non-Autowireable Services

5:58
17

Controllers: Boring, Beautiful Services

2:55
18

Environment Variables

8:29
19

The Secrets Vault

7:39
20

Using & Overriding Secrets

5:21
21

MakerBundle & Autoconfigure

4:42
22

Playing with a Custom Console Command

4:44
23

Making a Twig Extension (Filter)

6:51

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22.

Playing with a Custom Console Command

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8 Comments

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Jakub 5 years ago

Can u tell me few ideas how can i use commands in my project? I cannot imagine how can I really use them

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Victor SFCASTS Jakub 5 years ago

Hey HudyWeas,

Well, if you don't have any ideas how to use them - probably you don't need them ;) And it's ok, not every project have to use custom command. Well, to get some ideas - you can run bin/console list to see the list of all the available commands out of the box, try to look what they are and maybe you will get with some custom ideas. Also, command are very useful when you need to run some tasks in Cron - you write a command, and tell the Cron job to run it every hour, or day, or month, e.g. you can generate some PDF reports nightly and them to your inbox, or create a custom command migration that you will run on production and that will migrate some heavy data in the background, or even a command that will find all the customers that have active subscription which will be renewed in 7 days and send them email notifications about they will be charged soon, etc.

But once again, you don't have to use them in your project if you don't need :)

Cheers!

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Jakub Victor 5 years ago

Thanks for your answer. Im not doing any project right now. By "my" I meant a project hypothetically. My point is that it's hard to get possible ideas how I can use commands if I don't know real potential of them. This example from video was really easy, it shows bases of commands but I missed some real app examples how really commands may be used

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Victor SFCASTS Jakub 5 years ago

Hey HudyWeas,

Ah, yes, I see... I hope a few my examples above helps ;)

Cheers!

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Antoine R. 5 years ago

Note : in commands, the default logger is $consoleLogger. You can check this by throwing an error in your command and look at which channel is used. So if you inject a logger in your command, it is better to use LoggerInterface $consoleLogger

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weaverryan SFCASTS Antoine R. 5 years ago edited

Hey Antoine R.!

An, that's an excellent point! For others reading this, the importance of that is that you may have your "logger" channel logger configured to save those logs in different ways than you main logger :).

Cheers!

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Boran Alsaleh 5 years ago

Hi, is the Console component a Command design pattern? If yes, is there ability to undo command in that component?

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MolloKhan SFCASTS Boran Alsaleh 5 years ago edited

Hey Boran Alsaleh

That's a really good question. In my opinion, yes, the Console component implements the command pattern. All the console commands you create are handled the same.

About the undo action. I believe you can create an abstract AbstractUndoCommand class which will force all of its derivatives to implement the undo() method, it should also check for a flag to determine if you want to execute the undo method or just run the command. So, whenever you create a command that it's "undoable", it should extend from that abstract class and implement both method execute and undo

Cheers!

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This tutorial also works great for Symfony 6!

Symfony 5

What PHP libraries does this tutorial use?

// composer.json
{
    "require": {
        "php": "^7.3.0 || ^8.0.0",
        "ext-ctype": "*",
        "ext-iconv": "*",
        "composer/package-versions-deprecated": "^1.11", // 1.11.99
        "knplabs/knp-markdown-bundle": "^1.8", // 1.9.0
        "sensio/framework-extra-bundle": "^6.0", // v6.2.1
        "sentry/sentry-symfony": "^4.0", // 4.0.3
        "symfony/asset": "5.0.*", // v5.0.11
        "symfony/console": "5.0.*", // v5.0.11
        "symfony/debug-bundle": "5.0.*", // v5.0.11
        "symfony/dotenv": "5.0.*", // v5.0.11
        "symfony/flex": "^1.3.1", // v1.21.6
        "symfony/framework-bundle": "5.0.*", // v5.0.11
        "symfony/monolog-bundle": "^3.0", // v3.6.0
        "symfony/profiler-pack": "*", // v1.0.5
        "symfony/routing": "5.1.*", // v5.1.11
        "symfony/twig-pack": "^1.0", // v1.0.1
        "symfony/var-dumper": "5.0.*", // v5.0.11
        "symfony/webpack-encore-bundle": "^1.7", // v1.8.0
        "symfony/yaml": "5.0.*" // v5.0.11
    },
    "require-dev": {
        "symfony/maker-bundle": "^1.15", // v1.23.0
        "symfony/profiler-pack": "^1.0" // v1.0.5
    }
}

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