PHP code example of walissonhms / datalayer-for-php

1. Go to this page and download the library: Download walissonhms/datalayer-for-php 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/ */

    

walissonhms / datalayer-for-php example snippets


const DATA_LAYER_CONFIG = [
    "driver" => "mysql",
    "host" => "localhost",
    "port" => "3306",
    "dbname" => "datalayer_example",
    "username" => "root",
    "passwd" => "",
    "options" => [
        PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8",
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ,
        PDO::ATTR_CASE => PDO::CASE_NATURAL
    ]
];



class User extends DataLayer
{
    /**
     * User constructor.
     */
    public function __construct()
    {
        //string "TABLE_NAME", array ["REQUIRED_FIELD_1", "REQUIRED_FIELD_2"], string "PRIMARY_KEY", bool "TIMESTAMPS"
        parent::__construct("users", ["first_name", "last_name"]);
    }
}



use Example\Models\User;

$model = new User();

//find all users
$users = $model->find()->fetch(true);

//find all users limit 2
$users = $model->find()->limit(2)->fetch(true);

//find all users limit 2 offset 2
$users = $model->find()->limit(2)->offset(2)->fetch(true);

//find all users limit 2 offset 2 order by field ASC
$users = $model->find()->limit(2)->offset(2)->order("first_name ASC")->fetch(true);

//looping users
foreach ($users as $user) {
    echo $user->first_name;
}

//find one user by condition
$user = $model->find("first_name = :name", "name=Robson")->fetch();
echo $user->first_name;

//find one user by two conditions
$user = $model->find("first_name = :name AND last_name = :last", "name=Robson&last=Leite")->fetch();
echo $user->first_name . " " . $user->first_last;



use Example\Models\User;

$model = new User();
$user = $model->findById(2);
echo $user->first_name;



$params = http_build_query(["name" => "UpInside & Associated"]);
$company = (new Company())->find("name = :name", $params);
var_dump($company, $company->fetch());



$addresses = new Address();
$address = $addresses->findById(22);
//get user data to this->user->[all data]
$address->user();
var_dump($address);



use Example\Models\User;

$model = new User();
$count = $model->find()->count();



use Example\Models\User;

$user = new User();
$user->first_name = "Robson";
$user->last_name = "Leite";
$userId = $user->save();



use Example\Models\User;

$user = (new User())->findById(2);
$user->first_name = "Robson";
$userId = $user->save();



use Example\Models\User;

$user = (new User())->findById(2);
$user->destroy();



use Example\Models\User;

$user = (new User())->findById(2);
if($user->fail()){
    echo $user->fail()->getMessage();
}



class User{

    public function fullName(): string 
    {
        return "{$this->first_name} {$this->last_name}";
    }
    
    public function document(): string
    {
        return "Restrict";
    }
}

echo $this->full_name; //Robson V. Leite
echo $this->document; //Restrict