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	Fix #19021: Fix return type in PhpDoc yii\db\Migration functions up(), down(), safeUp() and safeDown()
				
					
				
			* Fixed PhpDoc in Migration.php (revert #18886) Fixed the return type of `up()`, `down()`, `safeUp()` and `safeDown()` functions to match the described behavior. The current implementation checks for `false`, "all other return values mean the migration succeeds". This PR also reverts #18886 since it was a code fix for what was documentation error. Allow all possible values for `yii\db\Migration` functions `up()`, `down()`, `safeUp()` and `safeDown()`
This commit is contained in:
		@ -20,7 +20,6 @@ Yii Framework 2 Change Log
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- Enh #18858: Reduce memory usage in `yii\base\View::afterRender` method (LeoOnTheEarth)
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					- Enh #18858: Reduce memory usage in `yii\base\View::afterRender` method (LeoOnTheEarth)
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- Bug #18880: Fix `yii\helpers\ArrayHelper::toArray()` for `DateTime` objects in PHP >= 7.4 (rhertogh)
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					- Bug #18880: Fix `yii\helpers\ArrayHelper::toArray()` for `DateTime` objects in PHP >= 7.4 (rhertogh)
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- Bug #18883: Fix `yii\web\HeaderCollection::fromArray()` now ensures lower case keys (rhertogh)
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					- Bug #18883: Fix `yii\web\HeaderCollection::fromArray()` now ensures lower case keys (rhertogh)
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- Bug #18886: Fix default return of `yii\db\Migration::safeUp()` and `yii\db\Migration::safeDown()` (WinterSilence)
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- Enh #18899: Replace usages of `strpos` with `strncmp` and remove redundant usage of `array_merge` and `array_values` (AlexGx)
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					- Enh #18899: Replace usages of `strpos` with `strncmp` and remove redundant usage of `array_merge` and `array_values` (AlexGx)
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- Bug #18898: Fix `yii\helpers\Inflector::camel2words()` to work with words ending with 0 (michaelarnauts)
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					- Bug #18898: Fix `yii\helpers\Inflector::camel2words()` to work with words ending with 0 (michaelarnauts)
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- Enh #18904: Improve Captcha client-side validation (hexkir)
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					- Enh #18904: Improve Captcha client-side validation (hexkir)
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@ -29,6 +28,7 @@ Yii Framework 2 Change Log
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- Bug #18955: Check `yiisoft/yii2-swiftmailer` before using as default mailer in `yii\base\Application` (WinterSilence)
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					- Bug #18955: Check `yiisoft/yii2-swiftmailer` before using as default mailer in `yii\base\Application` (WinterSilence)
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- Bug #18988: Fix default value of `yii\console\controllers\MessageController::$translator` (WinterSilence)
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					- Bug #18988: Fix default value of `yii\console\controllers\MessageController::$translator` (WinterSilence)
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- Bug #18993: Load defaults by `attributes()` in `yii\db\ActiveRecord::loadDefaultValues()` (WinterSilence)
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					- Bug #18993: Load defaults by `attributes()` in `yii\db\ActiveRecord::loadDefaultValues()` (WinterSilence)
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					- Bug #19021: Fix return type in PhpDoc `yii\db\Migration` functions `up()`, `down()`, `safeUp()` and `safeDown()` (WinterSilence, rhertogh)
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2.0.43 August 09, 2021
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					2.0.43 August 09, 2021
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@ -104,7 +104,7 @@ class Migration extends Component implements MigrationInterface
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    /**
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					    /**
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     * This method contains the logic to be executed when applying this migration.
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					     * This method contains the logic to be executed when applying this migration.
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     * Child classes may override this method to provide actual migration logic.
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					     * Child classes may override this method to provide actual migration logic.
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     * @return bool return a false value to indicate the migration fails
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					     * @return false|void|mixed return a false value to indicate the migration fails
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     * and should not proceed further. All other return values mean the migration succeeds.
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					     * and should not proceed further. All other return values mean the migration succeeds.
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     */
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					     */
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    public function up()
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					    public function up()
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@ -133,7 +133,7 @@ class Migration extends Component implements MigrationInterface
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     * This method contains the logic to be executed when removing this migration.
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					     * This method contains the logic to be executed when removing this migration.
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     * The default implementation throws an exception indicating the migration cannot be removed.
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					     * The default implementation throws an exception indicating the migration cannot be removed.
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     * Child classes may override this method if the corresponding migrations can be removed.
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					     * Child classes may override this method if the corresponding migrations can be removed.
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     * @return bool return a false value to indicate the migration fails
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					     * @return false|void|mixed return a false value to indicate the migration fails
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     * and should not proceed further. All other return values mean the migration succeeds.
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					     * and should not proceed further. All other return values mean the migration succeeds.
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     */
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					     */
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    public function down()
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					    public function down()
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@ -177,12 +177,11 @@ class Migration extends Component implements MigrationInterface
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     * Note: Not all DBMS support transactions. And some DB queries cannot be put into a transaction. For some examples,
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					     * Note: Not all DBMS support transactions. And some DB queries cannot be put into a transaction. For some examples,
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     * please refer to [implicit commit](http://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html).
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					     * please refer to [implicit commit](http://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html).
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     *
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					     *
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     * @return bool return a false value to indicate the migration fails
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					     * @return false|void|mixed return a false value to indicate the migration fails
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     * and should not proceed further. All other return values mean the migration succeeds.
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					     * and should not proceed further. All other return values mean the migration succeeds.
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     */
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					     */
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    public function safeUp()
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					    public function safeUp()
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    {
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					    {
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        return true;
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    }
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					    }
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    /**
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					    /**
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@ -195,12 +194,11 @@ class Migration extends Component implements MigrationInterface
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     * Note: Not all DBMS support transactions. And some DB queries cannot be put into a transaction. For some examples,
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					     * Note: Not all DBMS support transactions. And some DB queries cannot be put into a transaction. For some examples,
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     * please refer to [implicit commit](http://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html).
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					     * please refer to [implicit commit](http://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html).
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     *
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					     *
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     * @return bool return a false value to indicate the migration fails
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					     * @return false|void|mixed return a false value to indicate the migration fails
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     * and should not proceed further. All other return values mean the migration succeeds.
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					     * and should not proceed further. All other return values mean the migration succeeds.
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     */
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					     */
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    public function safeDown()
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					    public function safeDown()
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    {
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					    {
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        return true;
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    }
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					    }
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    /**
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					    /**
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