Gettext PO header handler. Possible Gettext PO header elements are explained in

Shared interface definition for all Gettext PO Readers. Hierarchy interface \Drup

PoItem::setPlural($plural) Set if the translation

public PoMemoryWriter::getData() Get

Parser context for the stream reader state machine. Possible contexts are: 'COMMENT' (#) 'MSGID'

private PoStreamReader::readLine() Reads

protected PoHeader::evaluatePlural($element_stack, $n)

private PoStreamReader::readHeader() Read

File handle of the current PO stream. Type: resource File

PoStreamReader::parseQuoted($string) Parses