# Languages
## PHP
{% hint style="warning" %}
Make sure you trust the code you input in the PHP editor and consider it safe. This code will be run as-is with no prior checks.
{% endhint %}
PHP (Hypertext Preprocessor) is an open source scripting language used mainly for web development.
### Input
* Select required code block.
* Navigate to the Primary tab of the the Block Inspector.
* Find PHP window.
* Input required code.
## CSS
CSS (Cascading Style Sheet*)* is used to stylise elements written in a markup language such as HTML.
### Input
* Select required code block.
* Navigate to the Primary tab of the the Block Inspector.
* Find CSS window.
* Input required code.
## JS
JS (Javascript) is a scripting language used to create dynamic web page content.
{% hint style="warning" %}
The JS code must be executed before it is applied to ensure there are no errors.
{% endhint %}
### Input
* Select required code block.
* Navigate to the Primary tab of the the Block Inspector.
* Find JS window.
* Input required code.
* Click Execute ▷ button .
