Defines interfaces for ValueParsers, ValueFormatters and ValueValidators

1.0.0 2021-01-20 13:45 UTC

This package is auto-updated.

Last update: 2024-02-06 19:39:17 UTC


The design of this library is poor and its reason for existing is questionable. Most of the time you are likely better served by creating dedicated interfaces within your project.

DataValues Interfaces is a small PHP library that defines a set of interfaces for parsers, formatters and validators. It is part of the DataValues set of libraries.

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On Packagist: Latest Stable Version Download count


To use this library in your project, simply add a dependency on data-values/interfaces to your project's composer.json file. Here is a minimal example of a composer.json file that just defines a dependency on Interfaces 1.x:

    "require": {
        "data-values/interfaces": "^1.0"


This library comes with a set up PHPUnit tests that cover all non-trivial code. You can run these tests using the PHPUnit configuration file found in the root directory. The tests can also be run via Github Actions.

Release notes

1.1.0 (dev)

  • Introduced ParserOptions::withDefaultOption() and FormatterOptions::withDefaultOption(), which return a copy of the options with the default applied; the defaultOption() methods, which modify the options in place, are deprecated.

1.0.0 (2021-01-20)

  • Updated minimum required PHP version from 5.5.9 to 7.2
  • Removed ValueFormatterBase
  • Removed ValueFormatterTestBase
  • Removed ValueValidator::setOptions
  • Removed ValueValidatorObject
  • ValueValidators\Result is now final
  • The properties of ValueValidators\Error are now private instead of protected

0.2.5 (2017-08-09)

  • Removed MediaWiki extension credits registration

0.2.4 (2017-08-02)

  • Fixed ValueFormatterTestBase not being installable via Composer.

0.2.3 (2017-08-02)

  • Updated minimal required PHP version from 5.3 to 5.5.9.
  • Minor fixes to code documentation.
  • Added PHPCS support.

0.2.2 (2016-07-15)

  • Fixed ValueFormatterTestBase not doing strict string comparisons.

0.2.1 (2016-01-13)

  • Fixed an issue when using this component with HHVM 1.11.0 (see #21).

0.2.0 (2015-08-11)

  • Dropped deprecated ErrorObject, use Error instead
  • Dropped deprecated ResultObject, use Result instead
  • Dropped deprecated constant DataValuesInterfaces_VERSION, use DATAVALUES_INTERFACES_VERSION instead
  • Dropped ValueFormatterTestBase::getFormatterClass
  • Made ValueFormatterTestBase::getInstance abstract
  • The options in ValueFormatterTestBase::getInstance are now optional

0.1.5 (2015-02-14)

  • The options in the ValueFormatterBase constructor are now optional
  • The MediaWiki extension registration now includes the license

0.1.4 (2014-04-14)

  • Added rawValue and expectedFormat arguments to ValueParsers\ParseException

0.1.3 (2014-03-31)

  • Added ValueFormatters\FormattingException

0.1.2 (2013-11-22)

  • Improved autoloading code
  • Fixed link in MediaWiki credits
  • Renamed entry point from DataValuesInterfaces.php to Interfaces.php

0.1.0 (2013-11-16)

Initial release with these features:

  • ValueFormatters\ValueFormatter interface
  • ValueParsers\ValueParser interface
  • ValueValidators\ValueValidator interface