Upgrade framework

vendor/symfony/translation/Dumper/IcuResFileDumper.php

@@ -28,12 +28,12 @@ class IcuResFileDumper extends FileDumper
     /**
      * {@inheritdoc}
      */
-    public function formatCatalogue(MessageCatalogue $messages, $domain, array $options = array())
+    public function formatCatalogue(MessageCatalogue $messages, string $domain, array $options = []): string
     {
         $data = $indexes = $resources = '';
 
         foreach ($messages->all($domain) as $source => $target) {
-            $indexes .= pack('v', strlen($data) + 28);
+            $indexes .= pack('v', \strlen($data) + 28);
             $data .= $source."\0";
         }
 
@@ -44,19 +44,19 @@ class IcuResFileDumper extends FileDumper
         foreach ($messages->all($domain) as $source => $target) {
             $resources .= pack('V', $this->getPosition($data));
 
-            $data .= pack('V', strlen($target))
+            $data .= pack('V', \strlen($target))
                 .mb_convert_encoding($target."\0", 'UTF-16LE', 'UTF-8')
                 .$this->writePadding($data)
-                  ;
+            ;
         }
 
         $resOffset = $this->getPosition($data);
 
-        $data .= pack('v', count($messages->all($domain)))
+        $data .= pack('v', \count($messages->all($domain)))
             .$indexes
             .$this->writePadding($data)
             .$resources
-              ;
+        ;
 
         $bundleTop = $this->getPosition($data);
 
@@ -66,7 +66,7 @@ class IcuResFileDumper extends FileDumper
             $keyTop,                        // Index keys top
             $bundleTop,                     // Index resources top
             $bundleTop,                     // Index bundle top
-            count($messages->all($domain)), // Index max table length
+            \count($messages->all($domain)), // Index max table length
             0                               // Index attributes
         );
 
@@ -82,24 +82,22 @@ class IcuResFileDumper extends FileDumper
         return $header.$root.$data;
     }
 
-    private function writePadding($data)
+    private function writePadding(string $data): ?string
     {
-        $padding = strlen($data) % 4;
+        $padding = \strlen($data) % 4;
 
-        if ($padding) {
-            return str_repeat("\xAA", 4 - $padding);
-        }
+        return $padding ? str_repeat("\xAA", 4 - $padding) : null;
     }
 
-    private function getPosition($data)
+    private function getPosition(string $data)
     {
-        return (strlen($data) + 28) / 4;
+        return (\strlen($data) + 28) / 4;
     }
 
     /**
      * {@inheritdoc}
      */
-    protected function getExtension()
+    protected function getExtension(): string
     {
         return 'res';
     }