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Overview

You can reuse the same component for different contexts within a model. In this example, the TimeRange component is used for both $workTime and $leisureTime.

We’re additionally starting the data structure with a Chain of Thought field to elicit LLM reasoning for the time range calculation, which can improve the accuracy of the response.

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Example

<?php
require 'examples/boot.php';

use Cognesy\Instructor\Instructor;

class TimeRange
{
    /** Step by step reasoning to get the correct time range */
    public string $chainOfThought;
    /** The start time in hours (0-23 format) */
    public int $startTime;
    /** The end time in hours (0-23 format) */
    public int $endTime;
}

$timeRange = (new Instructor)->respond(
    messages: [['role' => 'user', 'content' => "Workshop with Apex Industries started 9 and it took us 6 hours to complete."]],
    responseModel: TimeRange::class,
    maxRetries: 2
);

dump($timeRange);

assert($timeRange->startTime === 9);
assert($timeRange->endTime === 15);
?>