wp-includes/php-ai-client/src/Providers/Http/HttpTransporter.php:140Determines if the underlying client matches the Guzzle client shape.
$clientWordPress\AiClientDependencies\Psr\Http\Client\ClientInterfacebool private function isGuzzleClient(ClientInterface $client): bool { $reflection = new \ReflectionObject($client); if (!is_callable([$client, 'send'])) { return \false; } if (!$reflection->hasMethod('send')) { return \false; } $method = $reflection->getMethod('send'); if (!$method->isPublic() || $method->isStatic()) { return \false; } $parameters = $method->getParameters(); if (count($parameters) < 2) { return \false; } $firstParameter = $parameters[0]->getType(); if (!$firstParameter instanceof \ReflectionNamedType || $firstParameter->isBuiltin()) { return \false; } if (!is_a($firstParameter->getName(), RequestInterface::class, \true)) { return \false; } $secondParameter = $parameters[1]; $secondType = $secondParameter->getType(); if (!$secondType instanceof \ReflectionNamedType || $secondType->getName() !== 'array') { return \false; } return \true; }Introduced in 0.2.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Providers/Http/HttpTransporter.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.