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A PHP library for working with HTTP Archives
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HTTP Archive for PHP

CircleCI Packagist


  • PHP 7.2+
  • The ext-json extension.


composer require deviantintegral/har, or download the CLI tool.


This library supports reading and writing HTTP Archive files. These archives are JSON objects containing one or more HTTP request and response pairs. In particular, this library is useful for taking HTTP requests exported from a browser's developer tools or with a proxy like mitmproxy and using them as mocks in tests.

Features include:

  • Reading a HAR into a fully-typed set of classes.
  • Writing a \Deviantintegral\Har\Har back out into a HAR JSON string.
  • Adapters for PSR-7 Request and Response interfaces.
  • An interface and \Deviantintegral\Har\HarRepository class to load HARs from a filesystem or other backend.
  • A CLI tool to split a HAR file into single files per request / response pair.


See ReadmeTest.php for an example of how to use this library.

Optional values

The HAR specification documents some fields as -1 if they do not have a value. Other fields, like comment, may be omitted.

Fields that may be omitted will have a has method that should be called before calling get. For integer fields, the return value must be checked for -1.

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