_url = filter_var($url, FILTER_VALIDATE_URL);
$this->_cleanMeta = $cleanMeta;
$response = wp_remote_get($this->_url,array('timeout'=>300)); //set a long time out
$this->_response = (is_wp_error($response) ? '' : $response);
}
/**
* Returns the sanitized url
* @return string
*/
public function getUrl()
{
return $this->_url;
}
/**
* Allows to override the HTTP response body
* @param string $newBody
* @return void
*/
public function setResponseBody($newBody)
{
if (is_array($this->_response))
{
$this->_response['body'] = $newBody;
}
}
/**
* Returns the HTTP response body
* @return string
*/
public function getResponseBody()
{
return isset($this->_response['body']) ? $this->_response['body'] : '';
}
/**
* Returns the content type
* @return string
*/
public function getContentType()
{
return isset($this->_response['headers']['content-type']) ? $this->_response['headers']['content-type'] : null;
}
/**
* Checks if content type is html
* @return bool
*/
public function isHtml()
{
return stripos($this->getContentType(), 'html') !== false;
}
/**
* Removes WordPress-specific meta tags
* @return void
*/
public function cleanup()
{
if ($this->isHtml())
{
if ($this->_cleanMeta)
{
$responseBody = preg_replace('//si', '', $this->getResponseBody());
$responseBody = preg_replace('//si', '', $responseBody);
$this->setResponseBody($responseBody);
}
}
}
/**
* Extracts the list of unique urls
* @param string $baseUrl Base url of site. Used to extract urls that relate only to the current site.
* @return array
*/
public function extractAllUrls($baseUrl)
{
$allUrls = array();
if ($this->isHtml() && preg_match_all('/' . str_replace('/', '\/', $baseUrl) . '[^"\'#\? ]+/i', $this->_response['body'], $matches))
{
$allUrls = array_unique($matches[0]);
}
return $allUrls;
}
/**
* Replaces base url
* @param string $oldBaseUrl
* @param string $newBaseUrl
* @return void
*/
public function replaceBaseUlr($oldBaseUrl, $newBaseUrl)
{
if ($this->isHtml())
{
$responseBody = str_replace($oldBaseUrl, $newBaseUrl, $this->getResponseBody());
$responseBody = str_replace('', "\n\n", $responseBody);
$this->setResponseBody($responseBody);
}
}
}