phpで現在のURLを取得する

phpコード:
//現在のURLを取得する
<?
function get_php_url(){
if(!empty($_server[“REQUEST_URI"])){
$scriptName = $_SERVER[“REQUEST_URI"];
$nowurl = $scriptName;
}else{
$scriptName = $_SERVER[“PHP_SELF"];
if(empty($_SERVER[“QUERY_STRING"])) $nowurl = $scriptName;
else $nowurl = $scriptName."?".$_SERVER[“QUERY_STRING"];
}

return $nowurl;
}
?>

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Posted by arkgame