PHP code example of devzyj / yii2-attribute-cache-behavior
1. Go to this page and download the library: Download devzyj/yii2-attribute-cache-behavior library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
devzyj / yii2-attribute-cache-behavior example snippets
// User.php
class User extends \yii\db\ActiveRecord
{
use \devzyj\behaviors\ActiveCacheBehaviorTrait;
public function behaviors()
{
return [
[
'class' => 'devzyj\behaviors\ActiveCacheBehavior',
//'cache' => 'cache',
//'defaultDuration' => 604800,
//'baseModelCacheKey' => ['User', 'PrimaryKey'],
//'keyAttributes' => static::primaryKey(),
//'valueAttributes' => $this->attributes(),
],
];
}
}
// Using trait methods
// Returns a single active record model instance.
// Sets cache value if there is no cache available for the `$primaryKey`.
$user = User::findOrSetOneByAttribute($primaryKey);
// No changed, cache value exists.
$user->save();
// Changed, cache value not exists.
$user->name = 1;
$user->save();
// Deleted, cache value not exists.
$user->delete();
// Gets cache value for model instance.
$user->getActiveCache();
// Checks cache value exists for model instance.
$user->existsActiveCache();
// Sets cache value for model instance.
$user->setActiveCache();
// Adds cache value for model instance.
$user->addActiveCache();
// Deletes cache value for model instance.
$user->deleteActiveCache();
// Using single key attribute
// ActiveCacheBehavior::$keyAttributes = ['id']
$id = 1;
// get cache
User::instance()->getModelCacheByAttribute($id);
// OR
User::instance()->getModelCache(['id' => $id]);
// exists cache
User::instance()->existsModelCacheByAttribute($id);
// OR
User::instance()->existsModelCache(['id' => $id]);
// set cache
User::instance()->setModelCacheByAttribute($id, $value, $duration, $dependency);
// OR
User::instance()->setModelCache(['id' => $id], $value, $duration, $dependency);
// add cache
User::instance()->addModelCacheByAttribute($id, $value, $duration, $dependency);
// OR
User::instance()->addModelCache(['id' => $id], $value, $duration, $dependency);
// delete cache
User::instance()->deleteModelCacheByAttribute($id);
// OR
User::instance()->deleteModelCache(['id' => $id]);
// get or set cache
User::instance()->getOrSetModelCacheByAttribute($id, function ($behavior) use ($id) {
$condition = $behavior->ensureActiveKeyAttribute($id);
$model = User::findOne($condition);
return $model ? $model->getActiveCacheValue() : false;
}, $duration, $dependency);
// OR
$condition = ['id' => $id];
User::instance()->getOrSetModelCache($condition, function ($behavior) use ($condition) {
$model = User::findOne($condition);
return $model ? $model->getActiveCacheValue() : false;
}, $duration, $dependency);
// trait method: find and return ActiveRecord from cache or database
User::findOrSetOneByAttribute($id, $duration, $dependency);
// Using composite key attribute
// ActiveCacheBehavior::$keyAttributes = ['id1', 'id2']
$id1 = 1;
$id2 = 2;
$ids = [$id1, $id2];
// get cache
User::instance()->getModelCacheByAttribute($ids);
// OR
User::instance()->getModelCache(['id1' => $id1, 'id2' => $id2]);
// exists cache
User::instance()->existsModelCacheByAttribute($ids);
// OR
User::instance()->existsModelCache(['id1' => $id1, 'id2' => $id2]);
// set cache
User::instance()->setModelCacheByAttribute($ids, $value, $duration, $dependency);
// OR
User::instance()->setModelCache(['id1' => $id1, 'id2' => $id2], $value, $duration, $dependency);
// add cache
User::instance()->addModelCacheByAttribute($ids, $value, $duration, $dependency);
// OR
User::instance()->addModelCache(['id1' => $id1, 'id2' => $id2], $value, $duration, $dependency);
// delete cache
User::instance()->deleteModelCacheByAttribute($ids);
// OR
User::instance()->deleteModelCache(['id1' => $id1, 'id2' => $id2]);
// get or set cache
User::instance()->getOrSetModelCacheByAttribute($ids, function ($behavior) use ($ids) {
$condition = $behavior->ensureActiveKeyAttribute($ids);
$model = User::findOne($condition);
return $model ? $model->getActiveCacheValue() : false;
}, $duration, $dependency);
// OR
$condition = ['id1' => $id1, 'id2' => $id2];
User::instance()->getOrSetModelCache($condition, function ($behavior) use ($condition) {
$model = User::findOne($condition);
return $model ? $model->getActiveCacheValue() : false;
}, $duration, $dependency);
// trait method: find and return ActiveRecord from cache or database
User::findOrSetOneByAttribute($ids, $duration, $dependency);
// Using database transactions, and the `commit()` time is too long
$transaction = $db->beginTransaction();
try {
// old cache key.
$oldKey = $model->getActiveCacheKey();
// update
$model->attributes = $attributes;
$model->save();
$transaction->commit();
// delete old cache.
$model->deleteModelCache($oldKey);
} catch (\Exception $e) {
$transaction->rollBack();
throw $e;
}
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