Remove unused $nullAsTilde property

pierredup · web-flow · commit 46a4b38d3516 · 2019-08-05T11:10:27.000+02:00
diff --git a/src/Symfony/Component/Yaml/Inline.php b/src/Symfony/Component/Yaml/Inline.php
@@ -33,7 +33,6 @@ class Inline
     private static $objectSupport = false;
     private static $objectForMap = false;
     private static $constantSupport = false;
-    private static $nullAsTilde = false;
 
     /**
      * @param int         $flags
@@ -46,7 +45,6 @@ public static function initialize($flags, $parsedLineNumber = null, $parsedFilen
         self::$objectSupport = (bool) (Yaml::PARSE_OBJECT & $flags);
         self::$objectForMap = (bool) (Yaml::PARSE_OBJECT_FOR_MAP & $flags);
         self::$constantSupport = (bool) (Yaml::PARSE_CONSTANT & $flags);
-        self::$nullAsTilde = (bool) (Yaml::DUMP_NULL_AS_TILDE & $flags);
         self::$parsedFilename = $parsedFilename;
 
         if (null !== $parsedLineNumber) {
@@ -131,7 +129,7 @@ public static function dump($value, int $flags = 0): string
                     throw new DumpException(sprintf('Unable to dump PHP resources in a YAML file ("%s").', get_resource_type($value)));
                 }
 
-                return self::dumpNull();
+                return self::dumpNull($flags);
             case $value instanceof \DateTimeInterface:
                 return $value->format('c');
             case \is_object($value):
@@ -157,11 +155,11 @@ public static function dump($value, int $flags = 0): string
                     throw new DumpException('Object support when dumping a YAML file has been disabled.');
                 }
 
-                return self::dumpNull();
+                return self::dumpNull($flags);
             case \is_array($value):
                 return self::dumpArray($value, $flags);
             case null === $value:
-                return self::dumpNull();
+                return self::dumpNull($flags);
             case true === $value:
                 return 'true';
             case false === $value:
@@ -258,9 +256,9 @@ private static function dumpArray(array $value, int $flags): string
         return sprintf('{ %s }', implode(', ', $output));
     }
 
-    private static function dumpNull(): string
+    private static function dumpNull(int $flags): string
     {
-        if (self::$nullAsTilde) {
+        if (Yaml::DUMP_NULL_AS_TILDE & $flags) {
             return '~';
         }
 
