[Yaml] force dumping with quotes

Author: dkarlovi

src/Symfony/Component/Yaml/Inline.php

@@ -173,6 +173,7 @@ public static function dump(mixed $value, int $flags = 0, bool $rootLevel = fals
             case self::isBinaryString($value):
                 return '!!binary '.base64_encode($value);
             case Escaper::requiresDoubleQuoting($value):
+            case Yaml::DUMP_FORCE_QUOTES & $flags:
                 return Escaper::escapeWithDoubleQuotes($value);
             case Escaper::requiresSingleQuoting($value):
                 $singleQuoted = Escaper::escapeWithSingleQuotes($value);
@@ -242,12 +243,13 @@ private static function dumpArray(array $value, int $flags): string
     private static function dumpHashArray(array|\ArrayObject|\stdClass $value, int $flags): string
     {
         $output = [];
+        $keyFlags = $flags &~ Yaml::DUMP_FORCE_QUOTES;
         foreach ($value as $key => $val) {
             if (\is_int($key) && Yaml::DUMP_NUMERIC_KEY_AS_STRING & $flags) {
                 $key = (string) $key;
             }
 
-            $output[] = \sprintf('%s: %s', self::dump($key, $flags), self::dump($val, $flags));
+            $output[] = \sprintf('%s: %s', self::dump($key, $keyFlags), self::dump($val, $flags));
         }
 
         return \sprintf('{ %s }', implode(', ', $output));

src/Symfony/Component/Yaml/Tests/DumperTest.php

@@ -910,6 +910,11 @@ public function testDumpNullAsTilde()
         $this->assertSame('{ foo: ~ }', $this->dumper->dump(['foo' => null], 0, 0, Yaml::DUMP_NULL_AS_TILDE));
     }
 
+    public function testForceQuotes()
+    {
+        $this->assertSame('{ foo: "bat", bar: 23 }', $this->dumper->dump(['foo' => 'bat', 'bar' => 23], 0, 0, Yaml::DUMP_FORCE_QUOTES));
+    }
+
     /**
      * @dataProvider getNumericKeyData
      */

src/Symfony/Component/Yaml/Yaml.php

@@ -37,6 +37,7 @@ class Yaml
     public const DUMP_NUMERIC_KEY_AS_STRING = 4096;
     public const DUMP_NULL_AS_EMPTY = 8192;
     public const DUMP_COMPACT_NESTED_MAPPING = 16384;
+    public const DUMP_FORCE_QUOTES = 32768;
 
     /**
      * Parses a YAML file into a PHP value.