谁指导PHP的getenv函数的参数列表

时间：2007-03-14 来源：snowtty

<?
$array = array(
            "REMOTE_ADDR",
            "DOCUMENT_ROOT",
            "GATEWAY_INTERFACE",
            "SERVER_SOFTWARE",
            "SERVER_NAME",
            "SERVER_PROTOCOL",
            "SERVER_PORT",
            "SERVER_ADMIN",
            "SERVER_SIGNATURE",
            "REQUEST_METHOD",
            "REQUEST_URI",
            "PATH_INFO",
            "PATH_TRANSLATED",
            "SCRIPT_NAME",
            "SCRIPT_FILENAME",
            "QUERY_STRING",
            "REMOTE_HOST",
            "REMOTE_ADDR",
            "REMOTE_USER",
            "REMOTE_IDENT",
            "CONTENT_TYPE",
            "CONTENT_LENGTH",
            "HTTP_ACCEPT",
            "HTTP_ACCEPT_CHARSET",
            "HTTP_ACCEPT_LANGUAGE",
            "HTTP_ENCODING",
            "HTTP_USER_AGENT",
            "HTTP_CONNECTION",
            "HTTP_HOST",
            "HTTP_REFERER",
            "AUTH_TYPE"
            );

echo '<center>';
echo '<table border="1" cellspacing="0" cellpadding="0">';
echo '<caption>CGI Environment Variables</caption>';
echo '<tr><th>Name<th>Value</tr>';

$count = count($array);
for($i=0;$i<$count;$i++){
$value = getenv($array[$i]);
if($value){
   echo "<tr><td>$array[$i]<td>" . $value . "</tr>";
}
//下面的语句也可以哦
// if(isset($$array[$i])){
//    echo "<tr><td>$array[$i]<td>" . $$array[$i] . "</tr>";
// }
}

echo '</table>';
echo '</center>';
?>

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