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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Doctrine\Tests\ORM\Functional\Ticket;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\Address;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\City;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\FullAddress;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\Group;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\Phone;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\Tests\Models\Quote\User;  | 
            
                            
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                use Doctrine\Tests\OrmFunctionalTestCase;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @group 6402  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class GH6402Test extends OrmFunctionalTestCase  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function setUp()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->useModelSet('quote'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::setUp();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testFind()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $id = $this->createAddress();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address = $this->_em->find(Address::class, $id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertNotNull($address->user);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                    public function testQuery()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $id = $this->createAddress();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $addresses = $this->_em->createQuery('SELECT a FROM ' . Address::class . ' a WHERE a.id = :id') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setParameter('id', $id) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->getResult();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertCount(1, $addresses);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertNotNull($addresses[0]->user);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function testFindWithSubClass()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $id = $this->createFullAddress();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address = $this->_em->find(FullAddress::class, $id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertNotNull($address->user);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                    public function testQueryWithSubClass()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $id = $this->createFullAddress();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $addresses = $this->_em->createQuery('SELECT a FROM ' . FullAddress::class . ' a WHERE a.id = :id') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setParameter('id', $id) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->getResult();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertCount(1, $addresses);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self::assertNotNull($addresses[0]->user);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function createAddress()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address = new Address();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address->zip = 'bar';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->persistAddress($address);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $address->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function createFullAddress()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address = new FullAddress();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address->zip = 'bar';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $address->city = new City('London'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->persistAddress($address);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $address->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    private function persistAddress(Address $address)  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $user = new User();  | 
            
            
                                                        
            
                                    
            
            
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                        $user->name = "foo";  | 
            
            
                                                        
            
                                    
            
            
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                        $user->setAddress($address);  | 
            
            
                                                        
            
                                    
            
            
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                        $this->_em->persist($user);  | 
            
            
                                                        
            
                                    
            
            
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                        $this->_em->flush();  | 
            
            
                                                        
            
                                    
            
            
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                        $this->_em->clear();  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: