Contributed by
Kévin Dunglas
in #19197 and #19326.
CSV encoder¶
This encoder/decoder is ideal to import/export application data to programs like Excel:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | // instantiation, when using it as a componentuseSymfony\Component\Serializer\Serializer;useSymfony\Component\Serializer\Encoder\CsvEncoder;useSymfony\Component\Serializer\Normalizer\ObjectNormalizer;$serializer=newSerializer([newObjectNormalizer()],[newCsvEncoder()]);// instantiation, when using it inside the Symfony framework$serializer=$container->get('serializer');// encoding contents in CSV format$serializer->encode($data,'csv');// decoding CSV contents$data=$serializer->decode(file_get_contents('data.csv'),'csv'); |
When decoding CSV contents, the first line must be the header with the names of the columns, which will be transformed into the object properties.
The CSV encoder/decoder also supports complex and nested data structures:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | $data=['foo'=>'aaa','bar'=>[['id'=>111,1=>'bbb'],['lorem'=>'ipsum'],]];file_put_contents('data.csv',$container->get('serializer')->encode($data,'csv'));// data.csv:// foo,bar.0.id,bar.0.1,bar.1.lorem// aaa,111,bbb,ipsum |
YAML encoder¶
This encoder uses the well-known YAML parser/dumper provided by the Symfony Yaml
component. Define the optional third argument of encode() and decode()
to define the value of the YAML flags, the indentation spaces, etc.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | $obj=new\stdClass();$obj->bar=2;$data=$this->container->get('serializer')->encode(['foo'=>$obj],'yaml'// these are the default values applied by the encoder['yaml_inline'=>1,'yaml_indent'=>4,'yaml_flags'=>0]);// $data = ' foo: !php/object:O:8:\"stdClass\":1:{s:3:\"bar\";i:2;}\n';$data=$this->container->get('serializer')->decode('foo: !php/object:O:8:"stdClass":1:{s:3:"bar";i:2;}','yaml');// $data = ['foo' => $obj];$data=$this->container->get('serializer')->decode('foo: !php/object:O:8:"stdClass":1:{s:3:"bar";i:2;}','yaml',['yaml_flags'=>0]);// $data = ['foo' => null]; |