<?php

use PHPUnit\Framework\TestCase;

class DependsTest extends TestCase
{
    public function testSetValue() : Foo
    {
        $foo = new Foo();
        
        $this->assertNull($foo->getValue());
        
        $foo->setValue(4);
        $this->assertEquals(4, $foo->getValue());
        
        // returned $foo is param of dependent tests 
        return $foo;
    }
    
    /**
     * These two tests doesn't really have a dependency
     * but it's only to show how the depends annotation works
     *
     * @depends testSetValue
     */
    public function testAddIntToValue($foo) : void
    {
        $this->assertEquals(5, $foo->addIntToValue(1));
    }
}

class Foo
{
    private $value;
    
    public function getValue()
    {
        return $this->value;
    }
    
    public function setValue($value)
    {
        $this->value = $value;
    }
    
    public function addIntToValue($int)
    {
        return $this->value + $int;
    }
}

Time: 00:00.004, Memory: 18.00 MB

OK (2 tests, 0 assertions)

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PHP 8.3, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8