PHP - Lua Functions

Quiz

Lua is a very strong and fast programming language. It is lightweight, which means it does not take up much space or resources. Lua is also embeddable, means you can use it inside other programs to add scripting features.

This language is often used to make programs more flexible because it allows you to add custom scripts without changing the main code. Using Lua, you can work with an Object-Oriented API (a way to organize code) to control Lua variables and functions easily.

With extensions, you can include the Lua interpreter (a tool that runs Lua code) into other software. This makes Lua very useful for creating applications, games, or tools that need scripting capabilities. It is simple yet powerful, perfect for developers who want fast and efficient solutions.

Requirements

To use the extension of Lua you will have to install Lua which is available on the Lua homepage. The source code for Lua is freely available. It is completely free and can be used for any purpose, including business.

Installing/Configuring Lua

To install and configure Lua, visit www.lua.org and download the latest version for your operating system. On Windows, use LuaBinaries or tools like Lua for Windows, while on Linux or macOS, you can install it via the terminal (e.g., sudo apt install lua5.3 on Ubuntu). Optionally, add Lua to your system PATH for easier access from the terminal. To test the installation, open the terminal, type lua, and confirm that the Lua interpreter starts.

For embedding Lua in other programs (e.g., PHP), install the relevant Lua extensions and follow the documentation for integration. You can write Lua code using any text editor, save it with a .lua extension, and run it using lua filename.lua in the terminal. This setup enables Lua for both scripting and embedding into other applications.

List of Functions

Below are some commonly used PHP Lua functions −

Sr.No	Functions & Description
1	Lua::assign Function This function can assign a PHP variable to Lua.
2	Lua::call() Function Lua::__call Call Lua functions
3	Lua class Function Lua Class Function
4	Lua::__construct() Function This function is the Lua constructor.
5	Lua::eval() Function This function can evaluate a string as Lua code.
6	Lua::getVersion() Function This function can be used for getversion purpose.
7	Lua::include() Function This function can parse a Lua script file.
8	Lua::registerCallback() Function This function can register a PHP function to Lua.

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