[Question] How to embed this library in my Tool ( based on PHP codeigniter) ?

[anubhabmondalDirac]

Hi everyone , I am new in LTI 1.3 - tao ,so for me this a bit hard to understand how to embed this library into my tool. For LMS , I am using Moodle .
If is there any example code availble for this library use by a Tool based on PHP , If available for demo purpose Can someone please share me?
I just confued about the workflow . That example code maybe help me to understand the complete architecture.

Thanks in Advance ! @Cicatrice

[anubhabmondalDirac]

How can I implement find registration? what will be my code structure any one help ? @weaverryan @emgolubev @hectoras

use OAT\Library\Lti1p3Core\Registration\RegistrationInterface;
use OAT\Library\Lti1p3Core\Registration\RegistrationRepositoryInterface;

$registrationRepository = new class implements RegistrationRepositoryInterface
{
public function find(string $identifier): ?RegistrationInterface
{
// TODO: Implement find() method to find a registration by identifier, or null if not found.
}

public function findAll(): array
{
// TODO: Implement findAll() method to find all available registrations.
}

public function findByClientId(string $clientId) : ?RegistrationInterface
{
// TODO: Implement findByClientId() method to find a registration by client id, or null if not found.
}

public function findByPlatformIssuer(string $issuer, string $clientId = null): ?RegistrationInterface
{
// TODO: Implement findByPlatformIssuer() method to find a registration by platform issuer, and client id if provided.
}

public function findByToolIssuer(string $issuer, string $clientId = null): ?RegistrationInterface
{
// TODO: Implement findByToolIssuer() method to find a registration by tool issuer, and client id if provided.
}
};

any demo example code available ?
Thanks in advance !