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 ™.
This snippet shows how to get an HTML element by ID with JavaScript. That's probably one of the most used and valuable JavaScript ...
JavaScript
Published on 2024-10-24 • Modified on 2024-10-24
This snippet shows how to add row numbers to an HTML table using the browser's JavaScript console. Open your browser's JavaScript ...
JavaScript
Published on 2024-10-12 • Modified on 2024-10-12
This snippet shows how to delete all elements of an HTML page having a given class with JavaScript. It is a valuable snippet when ...
JavaScript
Published on 2024-10-10 • Modified on 2024-10-10
This snippet shows how to replace UTF8mb4 characters like emojis with HTML entities in a string with PHP. It can be helpful, for e...
PHP
Published on 2024-06-22 • Modified on 2024-06-22
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
This snippet shows how to convert an emoji into an HTML entity with PHP. This is a way to do it. I'll explore other possible solut...
PHP
Published on 2023-10-10 • Modified on 2023-10-10
This snippet shows how to add attributes to HTML tags with PHP. In the following example, we use the DOMDocument library to parse ...
PHP
Published on 2023-10-01 • Modified on 2023-10-01
This snippet shows how to select an invalid choice value of a select form field in a Symfony functional test. Indeed, if you try t...
Symfony
Published on 2022-08-19 • Modified on 2022-08-19
In this snippet, we see how to inspect the content of a string using the file_put_contents PHP function. Sometimes, when you use t...
PHP
Published on 2021-09-05 • Modified on 2021-09-05
In this snippet, we will see how to add or remove a class from an HTML element with JavaScript. It can be done with the classList ...
JavaScript
Published on 2020-05-23 • Modified on 2020-05-23