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Code snippets

You will find here 13 code snippets I find useful so I don't have to Google ™ or Stackoverflow ™ them when I need. There are also code snippets I always forget! 😁 Sometimes, related links to the code will be available. The main difference with other random snippets you will find on the web is that in most cases (for the Symfony related ones) you will be able to run them directly from this website to check the output so you can verify it works as expected ™.

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Generating a random color code with PHP

This snippet shows how to generate a random color code with PHP. In the previous snippet, we saw how to generate a random color c...

PHP

Published on 2024-12-15 • Modified on 2024-12-15

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... by COil
 PHP  random  color  css

Generating a random color code with Symfony

This snippet shows how to generate a random color code with Symfony. We can use the ByteString::fromRandom() function of the Stri...

Symfony

Published on 2024-12-11 • Modified on 2024-12-11

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... by COil
 Symfony  PHP  random  color  css

Getting an HTML element using a CSS selector with JavaScript

This snippet shows how to get an HTML element using a CSS selector with JavaScript. In the previous snippet, we saw how to select ...

JavaScript

Published on 2024-11-10 • Modified on 2024-11-10

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... by COil
 JavaScript  query  css

Getting an HTML element by CSS class with JavaScript

This snippet shows how to get an HTML element by CSS class with JavaScript. The getElementsByClassName function returns an HTMLCol...

JavaScript

Published on 2024-10-27 • Modified on 2024-10-27

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... by COil
 JavaScript  class  css

Converting a CSV file into Symfony entities

This snippet shows how to convert a CSV file into Symfony entities. Instead of manually setting each property, we can use the Symf...

Symfony

Published on 2024-07-21 • Modified on 2024-07-21

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... by COil
 Symfony  csv  spl  file  Doctrine  entity  import

Importing a CSV file with the SplFileObject PHP class

This snippet shows how to import a CSV file with the SplFileObject PHP class. What is excellent about this class is that it will a...

PHP

Published on 2024-07-06 • Modified on 2024-07-06

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... by COil
 PHP  spl  csv  file

Enabling the HTML design mode on the fly in the browser with JavaScript

This snippet shows how to enable the HTML design mode on the fly in the browser with JavaScript. You must open the browser console...

JavaScript

Published on 2024-03-24 • Modified on 2024-03-24

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... by COil
 JavaScript  html  console  design  css  browser  firefox

Typical PHPStan configuration file for a Symfony project

Here is a typical PHPStan configuration file for a Symfony project. I have added some links to the documentation, so you know what...

Symfony

Published on 2020-11-11 • Modified on 2020-11-20

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... by COil
 Symfony  phpstan  static-analysis  cs  code-quality  tooling

Checking if the Elasticsearch service of a Docker container is ready

This is the third part of the "wait-for-this-service" series (check the links below the code). In the last snippet, we saw how to ...

Docker

Published on 2020-09-08 • Modified on 2020-09-08

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... by COil
 Docker  Docker compose  elasticsearch  container  service  bash

Marking Symfony forms required fields with an asterisk

In this snippet, we will see how to mark with an asterisk all the required fields of a Symfony form. We will do it with CSS. Inspe...

Symfony

Published on 2020-08-25 • Modified on 2020-08-25

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... by COil
 Symfony  Form  Validation  css