Historically it was often not quite clear to users what PHP version
Psalm assumes, and why. This PR addresses this issue by printing the
version and where we got it from right before scanning the files.
* upgrade phpunit, test with low and high deps
* work around possibly-anonymous test cases introduced by newer PHPUnit
* Alternative TestCase::getName() nullability workaround
Previous workaround was failing due to PHP warnings on 7.1 or 7.2
(depending on specific signature). There's just no signature that would
be working for all 4 variants of (ver / dep) matrix.
* don't disable xdebug if it's not enabled
* allowed 7.0/high to fail until PHPUnit 6.5.10 is released
see sebastianbergmann/phpunit#3209
* Add failing test
* Add visitor to soup up classlike references
* Move a whole bunch of code into the visitor
* Move some methods back, move onto analysis stage
* Use the getAliases method everywhere
* Fix refs
* Fix more refs
* Fix some tests
* Fix more tests
* Fix include tests
* Shift config class finding to project checker and fix bugs
* Fix a few more tests
* transition test to new syntax
* Remove var_dump
* Delete a bunch of code and fix mutation test
* Remove unnecessary visitation
* Transition to better mocked out file provider, breaking some cached statement loading
* Use different scheme for naming anonymous classes
* Fix anonymous class issues
* Refactor file/statement loading
* Add specific property types
* Fix mapped property assignment
* Improve how we deal with traits
* Fix trait checking
* Pass Psalm checks
* Add multi-process support
* Delay console output until the end
* Remove PHP 7 syntax
* Update file storage with classes
* Fix scanning individual files and add reflection return types
* Always turn XDebug off
* Add quicker method of getting method mutations
* Queue return types for crawling
* Interpret all strings as possible classes once we see a `get_class` call
* Check invalid return types again
* Fix template namespacing issues
* Default to class-insensitive file names for includes
* Don’t overwrite existing issues data
* Add var docblocks for scanning
* Add null check
* Fix loading of external classes in templates
* Only try to populate class when we haven’t yet seen it’s not a class
* Fix trait property accessibility
* Only ever improve docblock param type
* Make param replacement more robust
* Fix static const missing inferred type
* Fix a few more tests
* Register constant definitions
* Fix trait aliasing
* Skip constant type tests for now
* Fix linting issues
* Make sure caching is off for tests
* Remove unnecessary return
* Use emulative parser if on PHP 5.6
* Cache parser for faster first-time parse
* Fix constant resolution when scanning classes
* Remove test that’s beyond a practical scope
* Add back --diff support
* Add --help for --threads
* Remove unused vars
