Export constants values when mocking method

[gleb-svitelskiy]

Fix for issue #3801
Contributors should consider to change minimum supported PHP version

[sebastianbergmann]

What do you mean by "Contributors should consider to change minimum supported PHP version"?

[codecov]

Codecov Report

Merging #3802 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master   #3802      +/-   ##
===========================================
+ Coverage     82.49%   82.5%   +0.01%     
+ Complexity     3837    3833       -4     
===========================================
  Files           150     150              
  Lines         10157   10147      -10     
===========================================
- Hits           8379    8372       -7     
+ Misses         1778    1775       -3

Impacted Files	Coverage Δ	Complexity Δ
src/Framework/MockObject/MockMethod.php	91.19% <100%> (+1.25%)	47 <0> (-4)	⬇️

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[gleb-svitelskiy]

What do you mean by "Contributors should consider to change minimum supported PHP version"?

This problem because of PHP bug https://bugs.php.net/bug.php?id=76717. Fix was released in versions 7.2.17 and 7.3.4. But latest version of PHPUnit requires "php": "^7.2" in composer. And version_compare('7.2.0', PHP_VERSION, '>') in phpunit file. So it can be used on versions from 7.2.1 to 7.2.16, and from 7.3.0 to 7.3.3 where PHP bug #76717 still there.

gleb@svitelskiy:~$ docker run --rm php:7.2.16 php -r 'var_export(PHP_INT_MIN);echo "\n";'
-9223372036854775808
gleb@svitelskiy:~$ docker run --rm php:7.2.17 php -r 'var_export(PHP_INT_MIN);echo "\n";'
-9223372036854775807-1
gleb@svitelskiy:~$ docker run --rm php:7.3.3 php -r 'var_export(PHP_INT_MIN);echo "\n";'
-9223372036854775808
gleb@svitelskiy:~$ docker run --rm php:7.3.4 php -r 'var_export(PHP_INT_MIN);echo "\n";'
-9223372036854775807-1

[sebastianbergmann]

Merged manually, thanks.