A PHP library for reporting events to the Segment.io API

1.2.0 2017-05-02 19:37 UTC

This package is not auto-updated.

Last update: 2021-09-16 02:03:38 UTC


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This library provides a Web Service Client for the Segment.io HTTP API using Guzzle v5.



Install the latest version with:

$ composer require uecode/segment-io-php ~1.1

Basic Usage

use SegmentIO\Client;

$client = new Client(['write_key' => $writeKey]);

// Identify the user - assuming, below, that you
// have a $user object from your database
    'userId' => $user->getId(),
    'traits' => [
        'name' => $user->getName(),
        'email' => $user->getEmail()

// Track an event (userId or anonymousId is required for all events!)
    'userId' => $user->getId(),
    'event'  => 'Some Event Happened',
    'properties' => [
        'foo' => 'bar'

Configuration Options

The client accepts an array of configuration options:

Setting Property Name Description
API Write Key write_key The Segment.io API Write Key
API Version version The API Version. Used to version the API (default: v1)
Batching batching A method of batching calls to the API to reduce latency of over the wire requests (supports: request or file) - use false to disable
Request Batching: Max Queue Size max_queue_size When using Request Batching, this is the total amount of Events to queue before flushing
Request Batching: Batch Size batch_size When using Request Batching, this is the total amount of Events sent in a single Request
File Batching: Log File log_file When using File Batching, this determines what file to log Events to

Using Batching

By default, this client will attempt to queue all calls to the API and send them out over a single batch request. Because of the blocking nature of PHP, this method reduces the amount of time the Client has to wait for requests to the API.

Batching does not apply to the import() method on the client.

There are two methods of Batching Available:

Request Batching

Note: This is enabled by default.

When making calls to the API, the events will be placed into a queue and will be flushed under one of two cases: when / if the max_queue_size is reached or at the end of the PHP Request.

Changing the Client options for max_queue_size and batch_size will affect how often the Client attempts to flush events.

File Batching

The file batching is a more performant method for making requests to Segment.io.

Each time a track or identify call is made, it will record that call to a log file. The log file is then uploaded “out of band” by running the included parse command.

You can change the location of the log file by using the log_file Client configuration option. If a log_file is not specified, it will default to: /tmp/segment-io.log.

To upload the Events from the log file to Segment.io, run the included parse command:

./parse YOUR_WRITE_KEY --file /tmp/segment-io.log

Tracking HTTP API Documentation

Documentation is available for the Tracking HTTP API at segment.io/docs/tracking-api/.


This software is released under the MIT License. See the license file for details.