What is the principle of sending an order form to the phone in SMS?

Question

Layout

What is the principle of sending an order form to the phone in SMS? What is used, how is the usual js type different

$.ajax({
                          url: 'contacts.php',
                          type: 'post',
                          data: str
                      }).done(function(msg){

                          if(msg === "OK"){
                              console.log('ok');
                          }else {
                              ...
                          }                    

                      }).always(function(){
                          ...                 
                      });

Answer 1

only php file
smsc.ru changes - sending service

<?php

$name = @ trim ($_POST['name']);
$tel = @ trim ($_POST['tel']);

function send_sms($number, $text, $cost=0) {
    $login = 'aaaaa';     // Логин в SMSC
    $password = 'aaaaaa';   // Пароль в SMSC
    $sender = 'aaaa';    // Имя отправителя
    
    // Подготовим запрос
    $Prepare = "http://smsc.ru/sys/send.php?login={$login}&psw={$password}&phones={$number}&mes={$text}";
    $Request = file_get_contents($Prepare . "&cost={$cost}&fmt=1&charset=utf-8&sender={$sender}");
    
    // Обработка ответа
    $Response = explode(',', $Request);
    if(isset($Response[1]) && isset($Response[0])) {
        // Узнать цену
        if($cost) {return $Response[0]; }
        // SMS удачно дошло
        if($Response[1] == '1') { return True; }
    }
     
    return False;
     
}
// Отправляем сообщение
$send = send_sms([phone], "Новая заявка: $name $tel");
if($send == True) {
    header('Location:index.html#senks');
}
 

?>

Answer 2

SMS is sent from the server. You need to either raise your own server, or use ready-made services (they are usually paid). Those. pass data to the server, as you do with a request. And the server is already sending