LTI 1.3 Core Library

PHP library for LTI 1.3 Core implementations as platforms and / or as tools.

Table of contents

• Specifications
• Installation
• Concepts
• Tutorials
• Tests

Specifications

• IMS LTI 1.3 Core
• IMS Security

Installation

$ composer require oat-sa/lib-lti1p3-core

Concepts

You can find below the implementations of the main concepts of the LTI 1.3 Core specification.

Platforms, tools and registrations

• Platform: any kind of platform that needs to delegate bits of functionality out to a suite of tools.
• Tool: external application or service providing functionality to a platform.
• Registration: defines the scope of contexts under which a tool is made available for a platform.

Messages

Messages represent integration between platforms and tools intermediated by a user's browser.

• Lti Message: reference to an exchange between platforms and tools in message based communications.
• Lti Message Payload: reference to the payload (JWT) of an exchange between platforms and tools in message based communications, containing LTI claims.
• Lti Resource Link: reference to a resource made available from a tool for a platform.
• Lti Launch: refers to the process in which a user interacts with an LTI Resource Link within the platform and is subsequently "launched" into a tool.

Services

Services represent direct connections between platforms and tools.

• Server: server side of LTI service
• Client: client side of LTI service

Tutorials

You can find below some tutorials, presented by topics.

Quick start

• how to configure the library
• how to implement the library interfaces
• how to expose a JWKS endpoint

Messages interactions

• how to handle a LTI resource link launch (with OIDC)

Services interactions

• how to set up a LTI service server
• how to use the LTI service client

Tests

To run tests:

$ vendor/bin/phpunit

Note: see phpunit.xml.dist for available test suites.