PHP code example of devgroup / yii2-tag-dependency-helper

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

devgroup / yii2-tag-dependency-helper example snippets

/**
 * Finds or creates new model using or not using cache(objectTag is applied, not commonTag!)
 * @param string|int $id ID of model to find
 * @param bool $createIfEmptyId Create new model instance(record) if id is empty
 * @param bool $useCache Use cache
 * @param int $cacheLifetime Cache lifetime in seconds
 * @param bool|\Exception $throwException False or exception instance to throw if model not found or (empty id AND createIfEmptyId==false)
 * @return \yii\db\ActiveRecord|null|self|TagDependencyTrait
 * @throws \Exception
 */
public static function loadModel(
    $id,
    $createIfEmptyId = false,
    $useCache = true,
    $cacheLifetime = 86400,
    $throwException = false
)
{
}

$pages = Yii::$app->cache->lazy(function() {
    return Page::find()->where(['active'=>1])->all();
}, 'AllActivePages', 3600, $dependency);

namespace app\components;

class MyCache extends \yii\caching\FileCache {
    use \DevGroup\TagDependencyHelper\LazyCacheTrait;
}

return [
    'components' => [
        'class' => '\app\components\MyCache',
    ],
];

return [
    'components' => [
        'cache' => [
            'class' => '\yii\caching\FileCache',
            'as lazy' => [
                'class' => '\DevGroup\TagDependencyHelper\LazyCache',
            ],
        ],
    ],
];

php composer.phar 

 php

use \DevGroup\TagDependencyHelper\TagDependencyTrait;

/**
 * @inheritdoc
 */
public function behaviors()
{
    return [
        'CacheableActiveRecord' => [
            'class' => \DevGroup\TagDependencyHelper\CacheableActiveRecord::className(),
        ],
    ];
}

 php
$models = Configurable::getDb()->cache(
    function ($db) {
        return Configurable::find()->all($db);
    },
    86400,
    new TagDependency([
        'tags' => NamingHelper::getCommonTag(Configurable::className()),
    ])
);

 php
$cacheKey = 'Product:' . $model_id;
if (false === $product = Yii::$app->cache->get($cacheKey)) {
    if (null === $product = Product::findById($model_id)) {
        throw new NotFoundHttpException;
    }
    Yii::$app->cache->set(
        $cacheKey,
        $product,
        86400,
        new TagDependency(
            [
                'tags' => [
                    NamingHelper::getObjectTag(Product::className(), $model_id),
                ]
            ]
        )
    );
}

 php
//in model for cache, in this case Comments model
protected function cacheCompositeTagFields()
{
    return ['id_app', 'object_table', 'id_object'];
}

//Data for caching
$comments = Comments::getDb()->cache(
    function ($db) use ($id_app, $id_object, $object_table) {
        return Comments::find()->where(['id_app' => $id_app, 'object_table' => $object_table, 'id_object' => $id_object])->all($db);
    },
    0,
    new TagDependency([
        'tags' => [
            NamingHelper::getCompositeTag(Comments::className(), ['id_app' => $id_app, 'object_table' => $object_table, 'id_object' => $id_object])
        ]
    ])
);

//PROFIT!