Intercept POST Requests

gistfile1.txt

<?php
$log_file = "log.txt";

// if it's not a POST request, just move along
if($_SERVER['REQUEST_METHOD'] != "POST") {
        return(0);
}

// if you only want specific files like admin-ajax or xmlrpc, uncomment the next 3 lines
//if($_SERVER['PHP_SELF'] != "/wp-admin/admin-ajax.php" && $_SERVER['PHP_SELF'] != "/xmlrpc.php") {
//      return(0);
//}

// write log function
function write_log($message) {
        global $log_file;
        if ( ! is_file($log_file) ) {
                $start_log_date = date('l jS \of F Y h:i:s A');
                file_put_contents($log_file, "--- log file start $start_log_date ---\n");
        }
        file_put_contents($log_file, "\n$message\n\n", FILE_APPEND);
}

// write the log!
 write_log("**".@date("r:")." URI: ".$_SERVER["REQUEST_URI"]." IP: ".$_SERVER["REMOTE_ADDR"]."\n".print_r($_POST,1)."\n".print_r($_REQUEST,1));