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[Yaml] Allow dumping empty array as YAML sequence

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This commit is contained in:
Christian Schmidt 2017-01-31 12:07:40 +01:00
parent 2183f98f54
commit a6d94c1b53
4 changed files with 29 additions and 1 deletions
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9
src/Symfony/Component/Yaml/CHANGELOG.md
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@ -1,6 +1,15 @@
CHANGELOG
=========
3.2.3
-----
* Added support for dumping empty PHP arrays as YAML sequences:
```php
Yaml::dump([], 0, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE);
```
3.2.0
-----

2
src/Symfony/Component/Yaml/Inline.php
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@ -252,7 +252,7 @@ class Inline
private static function dumpArray($value, $flags)
{
// array
if ($value && !self::isHash($value)) {
if (($value || Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE & $flags) && !self::isHash($value)) {
$output = array();
foreach ($value as $val) {
$output[] = self::dump($val, $flags);

18
src/Symfony/Component/Yaml/Tests/DumperTest.php
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@ -246,6 +246,24 @@ EOF;
$this->dumper->dump(array('foo' => new A(), 'bar' => 1), 0, 0, true);
}
public function testEmptyArray()
{
$dump = $this->dumper->dump(array());
$this->assertEquals('{ }', $dump);
$dump = $this->dumper->dump(array(), 0, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE);
$this->assertEquals('[]', $dump);
$dump = $this->dumper->dump(array(), 9, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE);
$this->assertEquals('[]', $dump);
$dump = $this->dumper->dump(new \ArrayObject(), 0, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE | Yaml::DUMP_OBJECT_AS_MAP);
$this->assertEquals('[]', $dump);
$dump = $this->dumper->dump(new \stdClass(), 0, 0, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE | Yaml::DUMP_OBJECT_AS_MAP);
$this->assertEquals('[]', $dump);
}
/**
* @dataProvider getEscapeSequences
*/

1
src/Symfony/Component/Yaml/Yaml.php
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@ -29,6 +29,7 @@ class Yaml
const DUMP_OBJECT_AS_MAP = 64;
const DUMP_MULTI_LINE_LITERAL_BLOCK = 128;
const PARSE_CONSTANT = 256;
const DUMP_EMPTY_ARRAY_AS_SEQUENCE = 512;
/**
* Parses YAML into a PHP value.