diff --git a/UPGRADE-3.1.md b/UPGRADE-3.1.md
index 2920418afa2a4..f86bcc41efe17 100644
--- a/UPGRADE-3.1.md
+++ b/UPGRADE-3.1.md
@@ -33,6 +33,9 @@ Serializer
Yaml
----
+ * The `Dumper::setIndentation()` method is deprecated and will be removed in
+ Symfony 4.0. Pass the indentation level to the constructor instead.
+
* Deprecated support for passing `true`/`false` as the second argument to the
`parse()` method to trigger exceptions when an invalid type was passed.
diff --git a/UPGRADE-4.0.md b/UPGRADE-4.0.md
index 0f79ed5a244cc..df1b8bf7b9c78 100644
--- a/UPGRADE-4.0.md
+++ b/UPGRADE-4.0.md
@@ -24,6 +24,9 @@ Serializer
Yaml
----
+ * The `Dumper::setIndentation()` method was removed. Pass the indentation
+ level to the constructor instead.
+
* Removed support for passing `true`/`false` as the second argument to the
`parse()` method to trigger exceptions when an invalid type was passed.
diff --git a/src/Symfony/Component/Yaml/Dumper.php b/src/Symfony/Component/Yaml/Dumper.php
index a427e3c752db0..c6c17902357f3 100644
--- a/src/Symfony/Component/Yaml/Dumper.php
+++ b/src/Symfony/Component/Yaml/Dumper.php
@@ -23,7 +23,15 @@ class Dumper
*
* @var int
*/
- protected $indentation = 4;
+ protected $indentation;
+
+ /**
+ * @param int $indentation
+ */
+ public function __construct($indentation = 4)
+ {
+ $this->indentation = $indentation;
+ }
/**
* Sets the indentation.
@@ -32,6 +40,8 @@ class Dumper
*/
public function setIndentation($num)
{
+ @trigger_error('The '.__METHOD__.' method is deprecated since version 3.1 and will be removed in 4.0. Pass the indentation to the constructor instead.', E_USER_DEPRECATED);
+
$this->indentation = (int) $num;
}
diff --git a/src/Symfony/Component/Yaml/Tests/DumperTest.php b/src/Symfony/Component/Yaml/Tests/DumperTest.php
index f5a9521f1c7de..b6e5365ad00a2 100644
--- a/src/Symfony/Component/Yaml/Tests/DumperTest.php
+++ b/src/Symfony/Component/Yaml/Tests/DumperTest.php
@@ -51,6 +51,34 @@ protected function tearDown()
$this->array = null;
}
+ public function testIndentationInConstructor()
+ {
+ $dumper = new Dumper(7);
+ $expected = <<<'EOF'
+'': bar
+foo: '#bar'
+'foo''bar': { }
+bar:
+ - 1
+ - foo
+foobar:
+ foo: bar
+ bar:
+ - 1
+ - foo
+ foobar:
+ foo: bar
+ bar:
+ - 1
+ - foo
+
+EOF;
+ $this->assertEquals($expected, $dumper->dump($this->array, 4, 0));
+ }
+
+ /**
+ * @group legacy
+ */
public function testSetIndentation()
{
$this->dumper->setIndentation(7);
diff --git a/src/Symfony/Component/Yaml/Yaml.php b/src/Symfony/Component/Yaml/Yaml.php
index b06a7250ed0e9..743fde22d34fc 100644
--- a/src/Symfony/Component/Yaml/Yaml.php
+++ b/src/Symfony/Component/Yaml/Yaml.php
@@ -96,8 +96,7 @@ public static function dump($array, $inline = 2, $indent = 4, $exceptionOnInvali
$flags = (int) $flags;
}
- $yaml = new Dumper();
- $yaml->setIndentation($indent);
+ $yaml = new Dumper($indent);
return $yaml->dump($array, $inline, 0, $exceptionOnInvalidType, $flags);
}
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