39362: remove old code for PHP versions we no longer support

Author: SilinMykola

.htaccess.sample

@@ -105,7 +105,7 @@
 </IfModule>
 
 ############################################
-## workaround for Apache 2.4.6 CentOS build when working via ProxyPassMatch with HHVM (or any other)
+## workaround for Apache 2.4.6 CentOS build when working via ProxyPassMatch
 ## Please, set it on virtual host configuration level
 
 ##    SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1

app/bootstrap.php

@@ -31,16 +31,6 @@
     exit(1);
 }
 
-// PHP 8 compatibility. Define constants that are not present in PHP < 8.0
-if (!defined('PHP_VERSION_ID') || PHP_VERSION_ID < 80000) {
-    if (!defined('T_NAME_QUALIFIED')) {
-        define('T_NAME_QUALIFIED', 24001);
-    }
-    if (!defined('T_NAME_FULLY_QUALIFIED')) {
-        define('T_NAME_FULLY_QUALIFIED', 24002);
-    }
-}
-
 require_once __DIR__ . '/autoload.php';
 // Sets default autoload mappings, may be overridden in Bootstrap::create
 \Magento\Framework\App\Bootstrap::populateAutoloader(BP, []);

app/code/Magento/Backend/Test/Unit/Model/Menu/Config/XsdTest.php

@@ -26,9 +26,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdSchema = $urnResolver->getRealPath('urn:magento:module:Magento_Backend:etc/menu.xsd');
         $this->_xsdValidator = new XsdValidator();

app/code/Magento/Catalog/Test/Unit/Model/Attribute/Config/XsdTest.php

@@ -21,9 +21,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_schemaFile = $urnResolver->getRealPath('urn:magento:module:Magento_Catalog:etc/catalog_attributes.xsd');
     }

app/code/Magento/Catalog/Test/Unit/Model/ProductOptions/Config/XsdTest.php

@@ -26,9 +26,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdSchemaPath = $urnResolver->getRealPath('urn:magento:module:Magento_Catalog:etc/');
         $this->_xsdValidator = new XsdValidator();

app/code/Magento/Catalog/Test/Unit/Model/ProductTypes/Config/XsdMergedTest.php

@@ -26,9 +26,6 @@ class XsdMergedTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdSchema = $urnResolver->getRealPath(
             'urn:magento:module:Magento_Catalog:etc/product_types_merged.xsd'

app/code/Magento/Catalog/Test/Unit/Model/ProductTypes/Config/XsdTest.php

@@ -26,9 +26,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdSchema = $urnResolver->getRealPath('urn:magento:module:Magento_Catalog:etc/product_types.xsd');
         $this->_xsdValidator = new XsdValidator();

app/code/Magento/CatalogImportExport/Model/Import/Product.php

@@ -275,7 +275,7 @@ class Product extends AbstractEntity
     /**
      * @var string
      */
-    private $hashAlgorithm = 'crc32c';
+    private $hashAlgorithm = 'xxh128';
 
     /**
      * @var array
@@ -935,7 +935,6 @@ public function __construct(
         $this->linkProcessor = $linkProcessor ?? ObjectManager::getInstance()
                 ->get(LinkProcessor::class);
         $this->linkProcessor->addNameToIds($this->_linkNameToId);
-        $this->hashAlgorithm = (version_compare(PHP_VERSION, '8.1.0') >= 0) ? 'xxh128' : 'crc32c';
         parent::__construct(
             $jsonHelper,
             $importExportData,

app/code/Magento/Config/Test/Unit/Model/Config/XsdTest.php

@@ -26,9 +26,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdSchema = $urnResolver->getRealPath('urn:magento:module:Magento_Config:etc/system.xsd');
         $this->_xsdValidator = new XsdValidator();

app/code/Magento/Cron/Test/Unit/Model/Config/XsdTest.php

@@ -20,9 +20,6 @@ class XsdTest extends TestCase
 
     protected function setUp(): void
     {
-        if (!function_exists('libxml_set_external_entity_loader')) {
-            $this->markTestSkipped('Skipped on HHVM. Will be fixed in MAGETWO-45033');
-        }
         $urnResolver = new UrnResolver();
         $this->_xsdFile = $urnResolver->getRealPath('urn:magento:module:Magento_Cron:etc/crontab.xsd');
     }