Update xsd schema url

Author: sebastianfeldmann

README.md

@@ -151,7 +151,7 @@ Simple configuration example in XML:
 ```xml
   <?xml version="1.0" encoding="UTF-8"?>
   <phpbu xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpbu.de/6.0/phpbu.xsd"
+         xsi:noNamespaceSchemaLocation="https://www.phpbu.de/schema/6.0/phpbu.xsd"
          verbose="true">
     <backups>
       <backup name="myAppDB">

phpbu.xml.sample

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpbu xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xsi:noNamespaceSchemaLocation="http://schema.phpbu.de/6.0/phpbu.xsd"
+       xsi:noNamespaceSchemaLocation="https://www.phpbu.de/schema/6.0/phpbu.xsd"
        verbose="true">
 
   <logging>

src/Configuration/Generator.php

@@ -2,6 +2,8 @@
 
 namespace phpbu\App\Configuration;
 
+use function str_replace;
+
 final class Generator
 {
     /**
@@ -10,20 +12,20 @@ final class Generator
     const TEMPLATE_XML = <<<EOT
 <?xml version="1.0" encoding="UTF-8"?>
 <phpbu xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpbu.de/{phpbu_version}/phpbu.xsd"
+         xsi:noNamespaceSchemaLocation="https://www.phpbu.de/schema/{phpbu_version}/phpbu.xsd"
          bootstrap="{bootstrap_script}"
          verbose="true">
-    
+
     <!-- uncomment if you want to use an adapter
     <adapters>
     </adapters>
     -->
-    
+
     <!-- uncomment if you want to use logging
     <logging>
     </logging>
     -->
-    
+
     <backups>
         <backup name="__FIXME__">
             <source type="__FIXME__">
@@ -76,7 +78,7 @@ final class Generator
      */
     public function generateConfigurationSkeleton(string $version, string $format, string $bootstrapScript) : string
     {
-        return \str_replace(
+        return str_replace(
             [
                 '{phpbu_version}',
                 '{bootstrap_script}'

src/Configuration/Loader/Xml.php

@@ -1,21 +1,28 @@
 <?php
 namespace phpbu\App\Configuration\Loader;
 
+use DOMDocument;
 use DOMElement;
 use DOMXPath;
 use phpbu\App\Configuration;
 use phpbu\App\Configuration\Loader;
 use phpbu\App\Exception;
 use phpbu\App\Util\Str;
 
+use function defined;
+use function libxml_clear_errors;
+use function libxml_get_errors;
+use function libxml_use_internal_errors;
+use function trim;
+
 /**
  * Loader for a phpbu XML configuration file.
  *
  * Example XML configuration file:
  * <code>
  * <?xml version="1.0" encoding="UTF-8" ?>
  * <phpbu xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- *        xsi:noNamespaceSchemaLocation="http://schema.phpbu.de/1.1/phpbu.xsd"
+ *        xsi:noNamespaceSchemaLocation="https://www.phpbu.de/schema/1.1/phpbu.xsd"
  *        bootstrap="backup/bootstrap.php"
  *        verbose="true">
  *
@@ -375,7 +382,7 @@ protected function getOptions(DOMElement $node)
     private function loadXmlFile($filename)
     {
         $contents  = $this->loadFile($filename);
-        $document  = new \DOMDocument;
+        $document  = new DOMDocument;
         $message   = '';
         $internal  = libxml_use_internal_errors(true);
         $reporting = error_reporting(0);
@@ -409,19 +416,19 @@ private function loadXmlFile($filename)
      */
     private function validateConfigurationAgainstSchema()
     {
-        $original    = \libxml_use_internal_errors(true);
+        $original    = libxml_use_internal_errors(true);
         $xsdFilename = __DIR__ . '/../../../phpbu.xsd';
-        if (\defined('__PHPBU_PHAR_ROOT__')) {
+        if (defined('__PHPBU_PHAR_ROOT__')) {
             $xsdFilename = __PHPBU_PHAR_ROOT__ . '/phpbu.xsd';
         }
         $this->document->schemaValidate($xsdFilename);
-        foreach (\libxml_get_errors() as $error) {
+        foreach (libxml_get_errors() as $error) {
             if (!isset($this->errors[$error->line])) {
                 $this->errors[$error->line] = [];
             }
-            $this->errors[$error->line][] = \trim($error->message);
+            $this->errors[$error->line][] = trim($error->message);
         }
-        \libxml_clear_errors();
-        \libxml_use_internal_errors($original);
+        libxml_clear_errors();
+        libxml_use_internal_errors($original);
     }
 }

tests/phpbu/Configuration/GeneratorTest.php

@@ -25,7 +25,7 @@ public function testGenerateConfigurationSkeletonXml()
         $config    = $generator->generateConfigurationSkeleton('X.Y', 'xml', 'boot.php');
 
         $this->assertStringContainsString('bootstrap="boot.php"', $config);
-        $this->assertStringContainsString('xsi:noNamespaceSchemaLocation="https://schema.phpbu.de/X.Y/phpbu.xsd"', $config);
+        $this->assertStringContainsString('xsi:noNamespaceSchemaLocation="https://www.phpbu.de/schema/X.Y/phpbu.xsd"', $config);
     }
 
     /**