/**
* Extracts the title from the given piece of XML, i.e. extracting the
* first <head> node converting it to plaintext.
*
* @param $xml
*
* @return string
*/
public function extractTitle($xml)
{
$sx = new \SimpleXMLElement($xml);
if (!isset($sx->head[0])) {
return '';
}
$headXml = $sx->head[0]->asXml();
return $this->plaintextConverter->convert($headXml);
}
/**
* @test
*/
public function plaintextConversionWorks()
{
$pc = new PlaintextConverter();
$actual = $pc->convert('<p>The characters < > & <em>must</em> be converted.</p>');
$this->assertSame('The characters < > & must be converted.', $actual);
}