only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/Archiver/ArchiveTar.php
+++ b/core/lib/Drupal/Core/Archiver/ArchiveTar.php
@@ -369,7 +369,7 @@ public function extract($p_path = '', $p_preserve = false)
      */
     public function listContent()
     {
-        $v_list_detail = array();
+        $v_list_detail = [];
 
         if ($this->_openRead()) {
             if (!$this->_extractList('', $v_list_detail, "list", '', '')) {
@@ -542,7 +542,7 @@ public function addModify($p_filelist, $p_add_dir, $p_remove_dir = '')
      *
      * @return true on success, false on error.
      */
-    public function addString($p_filename, $p_string, $p_datetime = false, $p_params = array())
+    public function addString($p_filename, $p_string, $p_datetime = false, $p_params = [])
     {
         $p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time());
         $p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600;
@@ -609,7 +609,7 @@ public function addString($p_filename, $p_string, $p_datetime = false, $p_params
     public function extractModify($p_path, $p_remove_path, $p_preserve = false)
     {
         $v_result = true;
-        $v_list_detail = array();
+        $v_list_detail = [];
 
         if ($v_result = $this->_openRead()) {
             $v_result = $this->_extractList(
@@ -669,7 +669,7 @@ public function extractInString($p_filename)
     public function extractList($p_filelist, $p_path = '', $p_remove_path = '', $p_preserve = false)
     {
         $v_result = true;
-        $v_list_detail = array();
+        $v_list_detail = [];
 
         if (is_array($p_filelist)) {
             $v_list = $p_filelist;
@@ -771,7 +771,7 @@ public function setIgnoreRegexp($regexp)
      */
     public function setIgnoreList($list)
     {
-        $regexp = str_replace(array('#', '.', '^', '$'), array('\#', '\.', '\^', '\$'), $list);
+        $regexp = str_replace(['#', '.', '^', '$'], ['\#', '\.', '\^', '\$'], $list);
         $regexp = '#/' . join('$|/', $list) . '#';
         $this->setIgnoreRegexp($regexp);
     }
@@ -1173,7 +1173,7 @@ public function _writeFooter()
     public function _addList($p_list, $p_add_dir, $p_remove_dir)
     {
         $v_result = true;
-        $v_header = array();
+        $v_header = [];
 
         // ----- Remove potential windows directory separator
         $p_add_dir = $this->_translateWinPath($p_add_dir);
@@ -1335,7 +1335,7 @@ public function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $v_
      * @param array $p_params
      * @return bool
      */
-    public function _addString($p_filename, $p_string, $p_datetime = false, $p_params = array())
+    public function _addString($p_filename, $p_string, $p_datetime = false, $p_params = [])
     {
         $p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time());
         $p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600;
@@ -1713,7 +1713,7 @@ public function _readHeader($v_binary_data, &$v_header)
         }
 
         if (!is_array($v_header)) {
-            $v_header = array();
+            $v_header = [];
         }
         // ----- Calculate the checksum
         $v_checksum = 0;
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php
+++ b/core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php
@@ -118,7 +118,7 @@ protected function callMethod($service, $call) {
       }
     }
 
-    call_user_func_array(array($service, $call[0]), $this->resolveServices($this->getParameterBag()->resolveValue($call[1])));
+    call_user_func_array([$service, $call[0]], $this->resolveServices($this->getParameterBag()->resolveValue($call[1])));
   }
 
   /**
only in patch2:
unchanged:
--- a/core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php
+++ b/core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php
@@ -203,12 +203,12 @@ private function parseDefinition($id, $service, $file)
             if (is_string($service['factory'])) {
                 if (strpos($service['factory'], ':') !== false && strpos($service['factory'], '::') === false) {
                     $parts = explode(':', $service['factory']);
-                    $definition->setFactory(array($this->resolveServices('@'.$parts[0]), $parts[1]));
+                    $definition->setFactory([$this->resolveServices('@'.$parts[0]), $parts[1]]);
                 } else {
                     $definition->setFactory($service['factory']);
                 }
             } else {
-                $definition->setFactory(array($this->resolveServices($service['factory'][0]), $service['factory'][1]));
+                $definition->setFactory([$this->resolveServices($service['factory'][0]), $service['factory'][1]]);
             }
         }
 
@@ -240,7 +240,7 @@ private function parseDefinition($id, $service, $file)
             if (is_string($service['configurator'])) {
                 $definition->setConfigurator($service['configurator']);
             } else {
-                $definition->setConfigurator(array($this->resolveServices($service['configurator'][0]), $service['configurator'][1]));
+                $definition->setConfigurator([$this->resolveServices($service['configurator'][0]), $service['configurator'][1]]);
             }
         }
 
@@ -252,10 +252,10 @@ private function parseDefinition($id, $service, $file)
             foreach ($service['calls'] as $call) {
                 if (isset($call['method'])) {
                     $method = $call['method'];
-                    $args = isset($call['arguments']) ? $this->resolveServices($call['arguments']) : array();
+                    $args = isset($call['arguments']) ? $this->resolveServices($call['arguments']) : [];
                 } else {
                     $method = $call[0];
-                    $args = isset($call[1]) ? $this->resolveServices($call[1]) : array();
+                    $args = isset($call[1]) ? $this->resolveServices($call[1]) : [];
                 }
 
                 $definition->addMethodCall($method, $args);
@@ -364,7 +364,7 @@ private function validate($content, $file)
             throw new InvalidArgumentException(sprintf('The service file "%s" is not valid. It should contain an array. Check your YAML syntax.', $file));
         }
 
-        if ($invalid_keys = array_diff_key($content, array('parameters' => 1, 'services' => 1))) {
+        if ($invalid_keys = array_diff_key($content, ['parameters' => 1, 'services' => 1])) {
             throw new InvalidArgumentException(sprintf('The service file "%s" is not valid: it contains invalid keys %s. Services have to be added under "services" and Parameters under "parameters".', $file, $invalid_keys));
         }
 
@@ -381,7 +381,7 @@ private function validate($content, $file)
     private function resolveServices($value)
     {
         if (is_array($value)) {
-            $value = array_map(array($this, 'resolveServices'), $value);
+            $value = array_map([$this, 'resolveServices'], $value);
         } elseif (is_string($value) &&  0 === strpos($value, '@=')) {
             // Not supported.
             //return new Expression(substr($value, 2));