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Instructor for PHP

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Choose a package

• Polyglot provides LLM inference, embeddings, streaming, and typed decision models through a shared PHP API.
• Instructor extracts validated PHP objects from LLM responses.
• Agents provides an agent loop with tools, state, and execution controls.
• AgentCtrl orchestrates coding-agent CLIs from PHP.

composer require cognesy/instructor-php

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First structured extraction

<?php
require __DIR__ . '/vendor/autoload.php';

use Cognesy\Instructor\StructuredOutput;

class Person {
    public string $name;
    public int $age;
}

$person = StructuredOutput::using('openai')
    ->with(
        messages: 'Jason is 28 years old.',
        responseModel: Person::class,
    )
    ->get();

echo $person->name;
echo $person->age;

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Documentation and community

• Canonical documentation: Package guides and API usage.
• Agent starting guide: A concise guide to useful Markdown pages.
• Complete Markdown catalog: All generated documentation links.
• Articles: Tutorials and implementation guidance.
• GitHub: Source, issues, discussions, and releases.