MongoDB PHP extension min version raised up to 1.4.0
Update BaseArrayHelper.php

Recursive method call must have the same parameters as the first call.
Update input-validation.md

You are validating the data, not users.
Fixes #5925: `ArrayHelper::htmlEncode()` does not work properly when the value being encoded is a nested array
Fixed `yii\sphinx\QueryBuilder` does not support comparison operators (>,<,>= etc) in where specification
Merge branch 'master' of github.com:yiisoft/yii2
Fixed broken link [skip ci]
Merge pull request #5931 from nikbas/fix-broken-link

Fixed broken link in docs
Update structure-views.md
Merge pull request #5936 from xpardan/patch-1

Update structure-views.md
Update README.md [skip ci]
Update structure-extensions.md
add structure-controllers.md [UK]
Merge pull request #5939 from pana1990/guide-es

Update README.md [skip ci]
Merge pull request #5940 from aminking2005/patch-4

Update structure-extensions.md [ci skip]
Merge pull request #5941 from RichWeber/master

[skip ci] add structure-controllers.md [UK]
Add docs/guide-ja/caching-*.md [ci skip]
Added support for 'findAndModify' operation at `yii\mongodb\Query` and `yii\mongodb\ActiveQuery`
Merge pull request #5946 from jamband/add-docs-ja

Add docs/guide-ja/caching-*.md [ci skip]