DominicWatts

private $logger; 

public function __construct(\Psr\Log\LoggerInterface $logger) 
{ 
    $this->logger = $logger; 
}

public function doSomething() 
{ 
    try { 

DominicWatts

/*  
* Controller 
*/ 

// $_SERVER 
$this->getRequest()->getServer('SERVER_NAME'); 

// $_GET 
$this->getRequest()->getParams(); 
$this->getRequest()->getParam('getparam'); 

DominicWatts

public function __construct( 
     \Magento\Framework\App\ResourceConnection $resource 
) { 
    $this->connection = $resource->getConnection(); 
    $this->resource = $resource; 
} 

public function sampleMethod() 
{ 
    $tableName = $this->resource->getTableName(self::TABLE_NAME); 

DominicWatts

private $_objectManager; 
public function __construct( 
    \Magento\Framework\ObjectManagerInterface $objectManager, 
    \Psr\Log\LoggerInterface $logger 
) { 
   $this->_objectManager = $objectManager; 
   $this->logger = $logger; 
} 

$resource = $this->_objectManager->create('\Magento\Framework\App\ResourceConnection'); 

DominicWatts

public function __construct( 
   \Magento\Framework\App\ResourceConnection $resource 
) { 
    $this->connection = $resource->getConnection(); 
    $this->resource = $resource; 
} 

$select = $this->connection 
    ->select() 
    ->from($this->tableName) 

DominicWatts

DELETE FROM catalog_product_entity_int WHERE store_id <> 0; 
DELETE FROM catalog_product_entity_varchar WHERE store_id <> 0; 
DELETE FROM catalog_product_entity_text WHERE store_id <> 0; 
DELETE FROM catalog_product_entity_decimal WHERE store_id <> 0; 
DELETE FROM catalog_product_entity_datetime WHERE store_id <> 0; 


DELETE FROM catalog_category_entity_int WHERE store_id <> 0; 
DELETE FROM catalog_category_entity_varchar WHERE store_id <> 0; 
DELETE FROM catalog_category_entity_text WHERE store_id <> 0; 

DominicWatts

Remove theme.css from pub/static 
  
bin/magento dev:source-theme:deploy --type="css" --locale="en_GB" --area="frontend" --theme="Xigen/Theme" css/theme 

Processed Area: frontend, Locale: en_GB, Theme: Xigen/Theme, File type: css. 

-> css/theme.css 

Successfully processed. 

DominicWatts

protected $productFactory; 
protected $product; 
protected $productAction;

public function __construct( 
    \Magento\Catalog\Model\ProductFactory $productFactory, 
    \Magento\Catalog\Model\ResourceModel\Product $product, 
    \Magento\Catalog\Model\Product\Action $action
) { 
    $this->productFactory = $productFactory; 

DominicWatts

composer require symfony/var-dumper 

\Symfony\Component\VarDumper\VarDumper::dump($var); 


use Symfony\Component\VarDumper\VarDumper;
VarDumper::dump($var); 

DominicWatts

// quick log
$writer = new \Zend\Log\Writer\Stream(BP . '/var/log/test.log'); 
$logger = new \Zend\Log\Logger(); 
$logger->addWriter($writer); 
$logger->info('Your text message'); 

// 2.4.3 + syntax
$writer = new \Zend_Log_Writer_Stream(BP . '/var/log/test.log');
$logger = new \Zend_Log();
$logger->addWriter($writer);