Apache geoip が機能しない: PHP 致命的エラー: キャッチされないエラー: 未定義の定数 "HTTP_X_FORWARDED_FOR"

Apache geoip が機能しない: PHP 致命的エラー: キャッチされないエラー: 未定義の定数 "HTTP_X_FORWARDED_FOR"

テストgeoip.php

<html>
<head>
<title>What is my IP address - determine or retrieve my IP address</title>
</head>
<body>
<?php
if (getenv('HTTP_X_FORWARDED_FOR')) { {
$pipaddress = getenv(HTTP_X_FORWARDED_FOR);
$ipaddress = getenv(REMOTE_ADDR);
echo "Your Proxy IP address is : ".$pipaddress. " (via $ipaddress) " ;
} else {
$ipaddress = getenv(REMOTE_ADDR);
echo "Your IP address is : $ipaddress";
}
$country = getenv(GEOIP_COUNTRY_NAME);
$country_code = getenv(GEOIP_COUNTRY_CODE);
echo "<br/>Your country : $country ( $country_code ) ";
?>
</body>
</html>

アパッチ/2.4

答え1

$pipaddress = getenv(HTTP_X_FORWARDED_FOR);
$ipaddress = getenv(REMOTE_ADDR);

文字列を引用符で囲みます。

$pipaddress = getenv('HTTP_X_FORWARDED_FOR');
$ipaddress = getenv('REMOTE_ADDR');

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