小编Tho*_*893的帖子

我正在尝试从php联系表单获取用户IP地址,我有以下代码,但我想知道以这种方式使用clean_string向我自己发送IP地址是有效的吗？

<?php

session_start();




if(isset($_POST['fullname'])) {

include 'freecontact2formsettings.php';

function died($error) {
    echo "Sorry, but there were error(s) found with the form you submitted. ";
    echo "These errors appear below.<br /><br />";
    echo $error."<br /><br />";
    echo "Please go back and fix these errors.<br /><br />";
    die();
}

if(!isset($_POST['fullname']) ||
    !isset($_POST['Address1']) ||
    !isset($_POST['city']) ||   
    !isset($_POST['Postcode']) ||
    !isset($_POST['contactnum']) ||
    !isset($_POST['emailaddress'])







    ) {
    died('Sorry, there appears to be a problem with your form submission.');        
}
$ip = $_SERVER['HTTP_CLIENT_IP']; 
$ansb0_from = $_POST['fullname']; // required
$ansb1_from …