/**
* @dataProvider providerParseTime
*/
public function testParseTime($expected, $value)
{
$time = Header::parseTime($value);
$this->assertEquals($expected, $time);
}
public function testSetAndGetLastModified()
{
$time = time();
$this->response->setLastModified($time);
$header = $this->response->getHeader('Last-Modified');
$this->assertNotNull($header);
$this->assertEquals(Header::parseTime($time), $header);
$this->assertEquals($time, $this->response->getLastModified());
$this->response->setLastModified();
$header = $this->response->getHeader('Last-Modified');
$this->assertNull($header);
$this->assertNull($this->response->getLastModified());
}
/**
* Gets the timestamp of the conditional modified since header
* @return integer|null The timestamp if the header was set, null otherwise
*/
public function getIfModifiedSince()
{
if (isset($this->ifModifiedSince)) {
return $this->ifModifiedSince;
}
$header = $this->getHeader(Header::HEADER_IF_MODIFIED_SINCE);
if (!$header) {
return $this->ifModifiedSince = null;
}
return $this->ifModifiedSince = Header::parseTime($header);
}
/**
* Sets the date the content was last modified
* @param integer $timestamp Timestamp of the date
* @return null
*/
public function setLastModified($timestamp = null)
{
if ($timestamp === null) {
$this->dateLastModified = null;
$this->headers->removeHeader(Header::HEADER_LAST_MODIFIED);
return;
}
if (!Number::isNumeric($timestamp, Number::NOT_NEGATIVE | Number::NOT_ZERO | Number::NOT_FLOAT)) {
throw new ZiboException('Invalid date provided');
}
$this->dateLastModified = $timestamp;
$this->headers->setHeader(Header::HEADER_LAST_MODIFIED, Header::parseTime($timestamp));
}
