Drop PHP 7 support

• Drop umaintained PHP versions (7.3 and 7.4) #30

PHP 8.2 support

• #29 (thanks @yoannrenard)

Support for unsetting of environment variables

• #27 Unset Vars (thanks @bbatsche)

PHP 8.1 support

• #22
• #23 (thanks @BenMorel)
• #24 (thanks @BenMorel)

PHP 8 support

• Allow PHP 8 #20

Graceful handling of PHPUnit warnings

• Handle PHPUnit warning gracefully #19 (thanks @fzieris)

PHPUnit 9 support

• Fix the extension with methods annotated with a @dataProvider (thanks @fzieris) #14
• Allow the extension to be installed with PHPUnit 9

Maintenance release

Run tests on PHP 7.4.

Phar release built with the update version of box

• #11

Hook based PHPUnit extension

• migrate to the new hook based PHPUnit extension system