Code:
if (isset($_SERVER['HTTP_REFERER']) && preg_match("~^".HTTP_SERVER."~i", $_SERVER['HTTP_REFERER']) ) {
//if (isset($_SERVER['HTTP_REFERER']) && strstr($_SERVER['HTTP_REFERER'], str_replace(array('http://', 'https://'), '', HTTP_SERVER) ) ) {
$link= $_SERVER['HTTP_REFERER'];
} else {
$link = zen_href_link(FILENAME_DEFAULT);
}
$_SESSION['navigation'] = new navigationHistory;
}
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