PHP gets the URL of the current page, php gets the current page_PHP tutorial

<span>function</span><span> GetCurUrl()
{
　　</span><span>$url </span>= 'http://'<span>;

　　</span><span>if</span>(<span>isset</span>(<span>$_SERVER</span>['HTTPS']) AND <span>$_SERVER</span>['HTTPS'] == 'on'<span>)
　　{
　　　　</span><span>$url</span> = 'https://'<span>;
　　}

　　</span><span>if</span>(<span>$_SERVER</span>['SERVER_PORT'] != '80'<span>)
　　{
　　　　</span><span>$url</span> .= <span>$_SERVER</span>['HTTP_HOST'].':'.<span>$_SERVER</span>['SERVER_PORT'].<span>$_SERVER</span>['REQUEST_URI'<span>];
　　}
　　</span><span>else</span><span>
　　{
　　　　</span><span>$url</span> .= <span>$_SERVER</span>['HTTP_HOST'].<span>$_SERVER</span>['REQUEST_URI'<span>];
　　}
　　</span><span>return</span> <span>$url</span><span>;
}</span>