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? ??? ?? PHP ???? PHP?? ?????? IP ??? ????? ???? ??? ??????

PHP?? ?????? IP ??? ????? ???? ??? ??????

Dec 06, 2024 pm 02:10 PM

How to Reliably Retrieve a Client's IP Address in PHP?

PHP?? ????? IP ?? ??

PHP? $_SERVER superglobal? ???? ???? IP ??? ???? ??? ?????. ??? ??? $_SERVER['REMOTE_ADDR'] ?? ??? ???? ??? IP ??? ??? ? ????. ??? ???? ??? ?? ? ?? ???? ??? ?? ???? ?? ??? ? ????.

??? IP ??? ???? ?? ?? ??? ??????. ?? ? ??? ?? ?? ???? ? ??? ?????.

getenv() ??:

function get_client_ip() {
    $ipaddress = '';
    if (getenv('HTTP_CLIENT_IP'))
        $ipaddress = getenv('HTTP_CLIENT_IP');
    else if(getenv('HTTP_X_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_X_FORWARDED_FOR');
    else if(getenv('HTTP_X_FORWARDED'))
        $ipaddress = getenv('HTTP_X_FORWARDED');
    else if(getenv('HTTP_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_FORWARDED_FOR');
    else if(getenv('HTTP_FORWARDED'))
       $ipaddress = getenv('HTTP_FORWARDED');
    else if(getenv('REMOTE_ADDR'))
        $ipaddress = getenv('REMOTE_ADDR');
    else
        $ipaddress = 'UNKNOWN';
    return $ipaddress;
}

$_SERVER ??:

function get_client_ip() {
    $ipaddress = '';
    if (isset($_SERVER['HTTP_CLIENT_IP']))
        $ipaddress = $_SERVER['HTTP_CLIENT_IP'];
    else if(isset($_SERVER['HTTP_X_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR'];
    else if(isset($_SERVER['HTTP_X_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_X_FORWARDED'];
    else if(isset($_SERVER['HTTP_FORWARDED_FOR']))
        $ipaddress = $_SERVER['HTTP_FORWARDED_FOR'];
    else if(isset($_SERVER['HTTP_FORWARDED']))
        $ipaddress = $_SERVER['HTTP_FORWARDED'];
    else if(isset($_SERVER['REMOTE_ADDR']))
        $ipaddress = $_SERVER['REMOTE_ADDR'];
    else
        $ipaddress = 'UNKNOWN';
    return $ipaddress;
}

? ??? ?? ???? IP ?? ??? ??????. ?? ???? ?????? IP ??? ???? ?????.

? ??? PHP?? ?????? IP ??? ????? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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