<?php

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\ConnectionResolver;
use Illuminate\Database\Connection;
use Illuminate\Database\Query\Grammars\MySqlGrammar;

// Eloquent Model class for existing table "test"
class Test extends Model
{
    protected $table = 'test';
    
    protected $connection = 'default';
    
    public $timestamps = false;
}

/* ### Configure Test model ### */

$pdo = new PDO('mysql:dbname=eloquent;host=127.0.0.1');

$connection = new Connection($pdo);
$connection->enableQueryLog();
$connection->setQueryGrammar(new MySqlGrammar());

$resolver = new ConnectionResolver([
    'default' => $connection,
]);

Test::setConnectionResolver($resolver);

/* ### Work with Test model ### */

// Get all DB rows as Test instances and access columns
// with magic properties and ArrayAccess
$tests = Test::all();
foreach ($tests as $test) {
    echo $test->id . ' - ' . $test->name . ' || ';
    echo $test['id'] . ' - ' . $test['name'] . PHP_EOL;
}

// find one Test by id
$test = Test::find(2);

// A few methods of Eloquent models
dump(
    $test->getAttribute('id'),
    $test->isDirty('name'),
    $test->toJson(),
    json_encode($test),
    $test->toArray(), // Including relations, but Test has none
    $test->attributesToArray() // Without relations
);

$test->setAttribute('name', 'newname');
dump(
    $test->getAttribute('name'),
    $test->isDirty('name')
);

echo $test;


1 - foo || 1 - foo
2 - test || 2 - test
3 - bar || 3 - bar

^ 2

^ false

^ "{"id":2,"name":"test","creation_date":"2014-07-20 10:40:22"}"

^ "{"id":2,"name":"test","creation_date":"2014-07-20 10:40:22"}"

^ array:3 [

  "id" => 2

  "name" => "test"

  "creation_date" => "2014-07-20 10:40:22"

]

^ array:3 [

  "id" => 2

  "name" => "test"

  "creation_date" => "2014-07-20 10:40:22"

]

^ "newname"

^ true

{"id":2,"name":"newname","creation_date":"2014-07-20 10:40:22"}

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PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8