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标题: 收藏PHP常用函数 [打印本页]

作者: superadmin 时间: 2007-12-12 19:23
标题: 收藏PHP常用函数
<?
function GetIP() { //获取IP
if ($_SERVER["HTTP_X_FORWARDED_FOR"])
      $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
else if ($_SERVER["HTTP_CLIENT_IP"])
oSPHP.COM.CN

      $ip = $_SERVER["HTTP_CLIENT_IP"];
else if ($_SERVER["REMOTE_ADDR"])
      $ip = $_SERVER["REMOTE_ADDR"];
else if (getenv("HTTP_X_FORWARDED_FOR")) OSPHP.COm.CN
      $ip = getenv("HTTP_X_FORWARDED_FOR");
else if (getenv("HTTP_CLIENT_IP"))
      $ip = getenv("HTTP_CLIENT_IP");
else if (getenv("REMOTE_ADDR"))
OSPHP.COM.Cn开源

      $ip = getenv("REMOTE_ADDR");
else
      $ip = "Unknown";
return $ip;
}

function DateAdd($date, $int, $unit = "d") { //时间的增加（还可以改进成时分秒都可以增加，有时间再补上）
OSPHP.com.CN

$dateArr = explode("-", $date);
$value[$unit] = $int;
return date("Y-m-d", mktime(0,0,0, $dateArr[1] + $value['m'], $dateArr[2] + $value['d'], $dateArr[0] + $value['y'])); oSPHP.COM.CN
}

function GetWeekDay($date) {  //计算出给出的日期是星期几
$dateArr = explode("-", $date);
return date("w", mktime(0,0,0,$dateArr[1],$dateArr[2],$dateArr[0])); 开源OSPhP.COM.CN
}
?>

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