PHP website source code acquisition (for search engines)_PHP tutorial

Copy code The code is as follows:

function get_referer(){
$se = 0;
$url = $_SERVER ["HTTP_REFERER"]; //Get the complete source URL
$str = str_replace("http://","",$url); //Remove http://
$strdomain = explode ("/",$str); // Separate into arrays with "/"
$domain = $strdomain[0]; //Take the characters before the first "/"
if(strstr($ domain,'baidu.com')){
$se = 1;
}
else if(strstr($domain,'google.cn')){
$se = 1;
}
return $se;
}

http://www.bkjia.com/PHPjc/321978.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/321978.htmlTechArticleCopy the code as follows: function get_referer(){ $se = 0; $url = $_SERVER["HTTP_REFERER" ]; //Get the complete source URL $str = str_replace("http://","",$url); //Remove http:// $strd...