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watson-personality-insights-php

A framework agnostic fully unit tested client for IBM Watson Personality insights API.

For PHP 7.0+

Install

composer require darrynten/watson-personality-insights-php

Usage

// Required config
$config = [
    'username' => $username,
    'password' => $password
];

// Get an instance
$instance = new PersonalityInsights($config);

// Add some text
$text = file_get_contents('sample.txt');
$instance->addText($text);

// Get the insights
$insights = $instance->getInsights();

Some things you can set

// Set standard options
$instance->config->setConsumptionPreferences(true);
$instance->config->setRawScores(true);
$instance->config->setVersion('2017-01-01');
$instance->config->setContentTypeHeader('application/json');
$instance->config->setContentLanguageHeader('en');
$instance->config->setAcceptHeader('application/json');
$instance->config->setAcceptLanguageHeader('en');
$instance->config->setCsvHeaders(false);
// https://watson-api-explorer.mybluemix.net/apis/personality-insights-v3#!/personality45insights/profile

// Set caching of requests
$instance->config->setCaching(false);

// Opt in to Watson tracking (off by default)
$instance->config->setOptOut(false);

// All config options
$config = [
    'username' => $username,
    'password' => $password,
    'version' => $version,
    'raw_scores' => $boolean,
    'consumption_preferences' => $boolean,
    'cache' => $boolean,
];

You can also add a ContentItem directly

/**
 * All possible content item config options. Only the `text` one is
 * required.
 *
 * https://watson-api-explorer.mybluemix.net/apis/personality-insights-v3#!/personality45insights/profile
 *
 * Defaults
 *
 * id - An md5 of the text
 * created - 0
 * updated - 0
 * contenttype - 'text/plain'
 * language - en
 * parentid - null
 * reply - false
 * forward - false
 */
$contentConfig = [
    'text' => $text,          // The only required value
    'id' => $string,          // Is the md5 of the text if not set
    'created' => $timestamp,  // Is 0 if not set
    'updated' => $timestamp,  // Is 0 if not set
    'contenttype' => $string, // `text/plain` or `text/html`
    'language' => $string,    // `en` or similar
    'parentid' => $string,    // The ID of a parent item. Null if not set
    'reply' => $boolean,      // Indicates if it is a reply to another
    'forward' => $boolean,    // Indicates if it is a forwarded text
];

$contentItem = new ContentItem($contentConfig);
$contentItem->getContentItemJson();

$instance->addNewContentItem($contentItem);

Notes

Privacy

IBM have a mode that keeps a copy of your data on their side for the apparent training of Watson. This is normally opt-out.

As this isn't explicitly made clear, we have decided to disable by default so if you do with to help Watson learn then you can do so by opting-in as outlined in the examples above.

By default this package will not allow any tracking of any kind.

"Version"

This is the source of some confusion. This is a date in the format of 'YYYY-MM-DD' and Watson will use whichever version was around at that time.

Full quote

The requested version of the response format as a date in the form YYYY-MM-DD; for example, specify 2016-10-20 for October 20, 2016. The date that you specify does not need to match a version of the service exactly; the service replies with the response format whose version is no later than the date you provide. If you specify a date that is earlier than the initial release of version 3, the service returns the response format for that first version. If you specify a date that is in the future or otherwise later than the most recent version, the service returns the response format for the latest version.

Credentials

You can download your credentials in a json file, or get them from the developer console.

Details on IBM

Unit tests

Test coverage is 100%, but you can also include a live API test to see if everything is working on that end. You shouldn't have to though, but it can be useful.

To do live test export