text: --- %YAML:1.0
  test: Empty Sequence
  brief: >
      You can represent the empty sequence
      with an empty inline sequence.
  yaml: |
      empty: []
  php: |
      array('empty' => array())
  ---
  test: Empty Mapping
  brief: >
      You can represent the empty mapping
      with an empty inline mapping.
  yaml: |
      empty: {}
  php: |
      array('empty' => array())
  ---
  test: Empty Sequence as Entire Document
  yaml: |
      []
  php: |
      array()
  ---
  test: Empty Mapping as Entire Document
  yaml: |
      {}
  php: |
      array()
  ---
  test: Null as Document
  yaml: |
      ~
  php: |
      null
  ---
  test: Empty String
  brief: >
      You can represent an empty string
      with a pair of quotes.
  yaml: |
      ''
  php: |
      ''
  