composer install

class pdoConnection  {

    private $username = "YOUR_USER_NAME"; // change this to your username
    private $password = "YOUR_DATABASE_PASSWORD";    // change this to your password
    private $dsn = "mysql:host=HOST;dbname=test_data_mapper"; // change HOST to your hostname

{

  "product": {
        "id": {
            "name" : "id",
            "primary" : true
        },
        "_assoc" : {
            "product_sku" : {
                "target" : "product_sku",
                "refer" : "product_id",
                "inverse" : "id",
                "type" : "OneToMany"
            }
        }
        
    },

// 'product' is used as table name by default

"product": {

        "__table_name" : "product_table"
        //if __table_name is explicitly defined, it will be used as the table name of entity
        
        // attributes 
},

{
    "entity_attribute" : "table_column"
    
    Or
    
    "entity_attribute" : {
                       "name" : "column_name"
                       //if explicitly defined, name will be used as the column name
    }
}

{
    "entity_attribute_2" : {"primary" : TRUE}
}

"product" : {
     
       "entity_attribute" : {"autoIncrement" : TRUE}
     
}

{

 "entity_attribute" : "table_column",
 
  "_assoc" : {
                "associated_entity_name" : {
                    "target" : "associated entity_name",
                    "refer" : "referred attribute of associated entity", // how the entity joins the other entity
                    "inverse" : "PARENT ENTITY'S CORRESPONDING ATTRIBUTE (FOREIGN KEY OR PRIMARY KEY)"
                    "type" : "OneToMany"
                 }
   }
}

$connection->connection() ]); ">

$connection = new pdoConnection();

$entityManager = new EntityManager ((object) [
    "connection" => $connection->connection()
]);

$data = $EntityManager->get('entity_name')->go();

or 

// get data by a key

//@return array 
$data = $EntityManager->get('entity_name',['entity_attrib' => 'some_value', 'entity_attrib_2' => 'some_other_value'])->go();

//invoke go() to get the data;

save($data_one); //go() executes the query and do the insertion $entityManager->go(); ">

$data = $EntityManager->get('entity_name',['entity_attrib' => 'some_value', 'entity_attrib_2' => 'some_other_value'])->go();
$data_one = $data[0];

$data_one->some_attribute = "just_changed";
$entityManager->save($data_one);

//go() executes the query and do the insertion 
$entityManager->go();

"test_010", "product_name" => "test_product", "img_url" => "some_url"]; //no need to set all properties of entity manually, all the available properties for entities will be set from the object we pass $entityManager->save($product,$props); $entityManager->go(); //invoke go() to save the data; ">

//get an EntityResult instance
$product = $entityManager->entity("product");

// inserting values
$props = (object) ["id" => "test_010", "product_name" => "test_product", "img_url" => "some_url"];

//no need to set all properties of entity manually, all the available properties for entities will be set from the object we pass

$entityManager->save($product,$props); 
$entityManager->go();

//invoke go() to save the data;