What PHP functions can be used to output IP, Host, and other information as mentioned in the forum thread?

To output IP, Host, and other information in PHP, you can use the following functions: 1. `$_SERVER['REMOTE_ADDR']` - This function retrieves the IP address of the client accessing the server. 2. `gethostbyaddr($_SERVER['REMOTE_ADDR'])` - This function retrieves the host name associated with a given IP address. To output the IP and Host information, you can use the following PHP code snippet: 

$ip = $_SERVER['REMOTE_ADDR'];
$host = gethostbyaddr($ip);

echo "IP Address: " . $ip . "<br>";
echo "Host Name: " . $host;

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PHP functions output IP Host information

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