This PR was merged into the 3.x branch.
Discussion
----------
Fix having macro variables starting with an underscore
Closes#4452
Commits
-------
bdb0f3c042 Fix having macro variables starting with an underscore
* 3.x:
Simplify enum usage in docs
Forbid adding Nodes to EmptyNode
Add phpstan analysis
Fix the intl-extra tests
Fix the string-extra tests when running with older symfony/string
Fix the exception message to match the expected one for not ready nodes
Add missing import
Add BC break note in CHANGELOG for 3.15
Fix CHANGELOG
Update CHANGELOG
Bump version
Prepare the 3.15.0 release
* 3.x:
Remove obsolete code
Update CHANGELOG
Sandbox ArrayAccess and do sandbox checks before isset() checks
Fix sandbox handling for __toString()
Fix mistake in docs for `keys` filter
Update CHANGELOG
[String] Add SpanishInflector support for singular and plural
Add `find` to `Filters` docs
Remove duplicate test case
Revert "minor #4411 Add return type to getDebugInfo (ruudk)"
Add `$this` return type to Template::unwrap
Add link to TwigQI in docs "You might also be interested in" section
Add return type to compiled macro
* 3.x:
Add support for named arguments on macro calls and dot operator arguments
Improve deprecation messages
Simplify expression parser code
Refactor expression parser
chore: fix version added
Cleanup code
* 3.x:
Remove obsolete code
Deprecate Environment::mergeGlobals()
Bump version
Prepare the 3.13.0 release
Fix wrong format of `Environment::VERSION_ID` constant
Fix minor things
Fix CS
Fix isset in ForLoopNode
Fix iterable return type
Improve exception expectations reliability
* 2.x:
fixed CS
added the key to the map and filter filters
added support for iterators
removed fn in front of arrow functions
changed arrow syntax
added "filter", "map", and "reduce" filters
simplified code
fixed CS
bumped version to 2.10
bumped version to 1.41
fixed partial output leak when a PHP fatal error occurs
fixed markup in docs
* 1.x:
added the key to the map and filter filters
added support for iterators
removed fn in front of arrow functions
changed arrow syntax
added "filter", "map", and "reduce" filters
simplified code
fixed CS
fixed partial output leak when a PHP fatal error occurs
Fabien Potencier
Vincent Langlet
Ruud Kamphuis
Nicolas Grekas
Christian Flothmann
Grégoire Pineau