/**
* @param string $code
*
* @return null|string
*/
public function displayAd($code)
{
$scriptName = $this->getScriptName();
$ad = $this->findAdByCode($code);
$adClass = $ad->getClass();
$adAd = $ad->getAd();
$adPlaceholder = $ad->getPlaceholder();
$parts = explode('/', $scriptName);
$placeholderName = (string) $parts[1];
if (empty($placeholderName)) {
$placeholderName = 'placeholder';
}
$hash = md5($code);
if ($this->isPhpAllowed()) {
preg_match_all('#(<\\s*\\?php)(.*?)(\\?\\s*>)#msi', $adAd, $r);
foreach ($r[2] as $i => $php) {
ob_start();
eval($php);
$data = ob_get_contents();
ob_end_clean();
$adAd = str_replace($r[0][$i], $data, $adAd);
}
}
if (null !== $adPlaceholder) {
$placeholder = 'http://' . $this->getHostname() . '/' . $scriptName . '/' . md5($code);
} else {
$placeholder = 'http://' . $this->getHostname() . '/' . $placeholderName . '/' . $ad->getWidth() . '/' . $ad->getHeight();
}
return $this->output->getAdHtml(array('id' => $hash, 'class' => $adClass, 'name' => $hash, 'placeholder' => $placeholder, 'html' => $adAd));
}
