* Updated php.net link for some MemCache properties [skip ci]
* Changed protocol to https for links to php.net in comments
* Changed protocol to https for links to php.net in code
* Changed www.php.net (http) to secure.php.net (https) in comments
* Changed www.php.net (http) to secure.php.net (https) in code
* Changed protocol to https for links to php.net in UPGRADE.md
* Changed protocol to https for links to pecl.php.net in comments
* Changed us.php.net to secure.php.net (https) in comments
* Changed protocol to https for links to php.net in docs
* Changed www.php.net (http) to secure.php.net (https) in docs
* Changed protocol to https for links to pecl.php.net in docs
* Changed ru/jp.php.net to secure.php.net (https) in docs
Don't sure about russian guide: is this links meant to be for guide on russian, or not?
- Deprecated `yii\base\BaseObject::className()` in favor of native PHP syntax `::class`, which does not trigger autoloading
- Deprecated XCache and Zend data cache support as caching backends
- Deprecated `yii\BaseYii::powered()` method
- Added `yii\base\InvalidArgumentException` and deprecated `yii\base\InvalidParamException`
- Added `yii\BaseYii::debug()` and deprecated `yii\BaseYii::trace()`
Implement retrieving DBMS constraints
* db-constraints2: (21 commits)
CHANGELOG for #14105
added missing abstract methods to ConstraintFinderTrait
avoid dependency of SqlTokenizer on sqlite implementation
Mention an usage magic in descriptions
Fix an unknown variable usage bug
updated phpdoc
make schema cache version a constant
Have I fixed these phpdocs? Let’s see…
Fixed phpdoc [skip ci]
Mark not supported constraint retrieving methods
Add PHPDoc
Fix typo [skip ci]
Rename DefaultConstraint to DefaultValueConstraint
Fix imports
Fix merging issues & CS
Add Command tests
Fix constraint tests
Disable column comment test on old CUBRID
Fix dropping unique/indexes
Fix schema caching on commands
...