@@ -129,7 +129,7 @@  | 
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| 129 | 129 | * This method is called by [[evaluateAttributes()]]. Its return value will be assigned  | 
                                                        
| 130 | 130 | * to the attributes corresponding to the triggering event.  | 
                                                        
| 131 | 131 | * @param Event $event the event that triggers the current attribute updating.  | 
                                                        
| 132 | - * @return mixed the attribute value  | 
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| 132 | + * @return string the attribute value  | 
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| 133 | 133 | */  | 
                                                        
| 134 | 134 | protected function getValue($event)  | 
                                                        
| 135 | 135 |      { | 
                                                        
@@ -323,7 +323,7 @@  | 
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| 323 | 323 | /**  | 
                                                        
| 324 | 324 | * Returns the list of all attribute names of the model.  | 
                                                        
| 325 | 325 | * The default implementation will return all column names of the table associated with this AR class.  | 
                                                        
| 326 | - * @return array list of attribute names.  | 
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| 326 | + * @return integer[] list of attribute names.  | 
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| 327 | 327 | */  | 
                                                        
| 328 | 328 | public function attributes()  | 
                                                        
| 329 | 329 |      { | 
                                                        
@@ -187,7 +187,7 @@ discard block  | 
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| 187 | 187 | * Finds the related records and populates them into the primary models.  | 
                                                        
| 188 | 188 | * @param string $name the relation name  | 
                                                        
| 189 | 189 | * @param array $primaryModels primary models  | 
                                                        
| 190 | - * @return array the related models  | 
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| 190 | + * @return ActiveRecordInterface[] the related models  | 
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| 191 | 191 | * @throws InvalidConfigException if [[link]] is invalid  | 
                                                        
| 192 | 192 | */  | 
                                                        
| 193 | 193 | public function populateRelation($name, &$primaryModels)  | 
                                                        
@@ -343,7 +343,7 @@ discard block  | 
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| 343 | 343 | }  | 
                                                        
| 344 | 344 | |
| 345 | 345 | /**  | 
                                                        
| 346 | - * @param array $models  | 
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| 346 | + * @param ActiveRecordInterface[] $models  | 
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| 347 | 347 | * @param array $link  | 
                                                        
| 348 | 348 | * @param array $viaModels  | 
                                                        
| 349 | 349 | * @param array $viaLink  | 
                                                        
@@ -60,7 +60,7 @@  | 
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| 60 | 60 | * Check the given requirements, collecting results into internal field.  | 
                                                        
| 61 | 61 | * This method can be invoked several times checking different requirement sets.  | 
                                                        
| 62 | 62 | * Use [[getResult()]] or [[render()]] to get the results.  | 
                                                        
| 63 | - * @param array|string $requirements requirements to be checked.  | 
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| 63 | + * @param string $requirements requirements to be checked.  | 
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| 64 | 64 | * If an array, it is treated as the set of requirements;  | 
                                                        
| 65 | 65 | * If a string, it is treated as the path of the file, which contains the requirements;  | 
                                                        
| 66 | 66 | * @return $this self instance.  | 
                                                        
@@ -431,7 +431,7 @@  | 
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| 431 | 431 | * If the parameter does not exist, the second parameter passed to this method will be returned.  | 
                                                        
| 432 | 432 | * @param string $name the parameter name  | 
                                                        
| 433 | 433 | * @param mixed $defaultValue the default parameter value if the parameter does not exist.  | 
                                                        
| 434 | - * @return mixed the parameter value  | 
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| 434 | + * @return string the parameter value  | 
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| 435 | 435 | * @see getBodyParams()  | 
                                                        
| 436 | 436 | * @see setBodyParams()  | 
                                                        
| 437 | 437 | */  | 
                                                        
@@ -225,7 +225,7 @@  | 
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| 225 | 225 | }  | 
                                                        
| 226 | 226 | |
| 227 | 227 | /**  | 
                                                        
| 228 | - * @return array the begin and end pages that need to be displayed.  | 
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| 228 | + * @return integer[] the begin and end pages that need to be displayed.  | 
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| 229 | 229 | */  | 
                                                        
| 230 | 230 | protected function getPageRange()  | 
                                                        
| 231 | 231 |      { | 
                                                        
@@ -750,7 +750,7 @@  | 
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| 750 | 750 | * });  | 
                                                        
| 751 | 751 | * ```  | 
                                                        
| 752 | 752 | *  | 
                                                        
| 753 | - * @param string|array $url the URL to be redirected to. This can be in one of the following formats:  | 
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| 753 | + * @param string $url the URL to be redirected to. This can be in one of the following formats:  | 
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| 754 | 754 | *  | 
                                                        
| 755 | 755 | * - a string representing a URL (e.g. "http://example.com")  | 
                                                        
| 756 | 756 | * - a string representing a URL alias (e.g. "@example.com")  | 
                                                        
@@ -196,7 +196,7 @@  | 
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| 196 | 196 | * @param string $message the error message.  | 
                                                        
| 197 | 197 | * @param string $file the filename that the error was raised in.  | 
                                                        
| 198 | 198 | * @param int $line the line number the error was raised at.  | 
                                                        
| 199 | - * @return bool whether the normal error handler continues.  | 
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| 199 | + * @return null|false whether the normal error handler continues.  | 
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| 200 | 200 | *  | 
                                                        
| 201 | 201 | * @throws ErrorException  | 
                                                        
| 202 | 202 | */  | 
                                                        
@@ -231,7 +231,7 @@  | 
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| 231 | 231 | /**  | 
                                                        
| 232 | 232 | * Prompts user with confirmation if caches should be flushed.  | 
                                                        
| 233 | 233 | * @param array $cachesNames  | 
                                                        
| 234 | - * @return bool  | 
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| 234 | + * @return boolean|null  | 
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| 235 | 235 | */  | 
                                                        
| 236 | 236 | private function confirmFlush($cachesNames)  | 
                                                        
| 237 | 237 |      { |