俺用チートシート

URLの基点

<?php
 define("BASE_URL",(($_SERVER['SERVER_PORT']==443)?'https://':'http://').$_SERVER['HTTP_HOST']);
 define("CURRENT_URL_DIR",BASE_URL.dirname($_SERVER["SCRIPT_NAME"]));
 define("URL_Me",BASE_URL.$_SERVER['PHP_SELF']);
?>

携帯

<?php
 if(preg_match("/(DoCoMo|UP.Browser|KDDI|J-PHONE|Vodafone|SoftBank|iPhone)/", $_SERVER['HTTP_USER_AGENT']))
  {
    header("Location: *** ");
    exit;
  }
?>