Send images to telegram via web

<?php
error_reporting(0);
 
$token = "AQUI API";
 
$chat_id = "CHAT ID";
 
$photo = "$_POST[photo]";
 
$text = "$_POST[text]";
 

$response = file_get_contents("https://api.telegram.org/bot".$token."/sendMessage?chat_id=".$chat_id."&text=$text");

$response = file_get_contents("https://api.telegram.org/bot".$token."/sendPhoto?chat_id=".$chat_id."&photo=".$photo."&caption=".$caption);
 
?>

<form method="POST" action="" enctype="multipart/form-data">
        <label>
            <span>chat_id :</span>
            <input id="chat_id" type="text" name="chat_id" value="" />
        </label>
        <label>
            <span>caption :</span>
            <input id="text" type="text" name="text"/>
        </label>
        <label>
            <span>photo</span>
            <input id="photo" type="file" name="photo" />
        </label>      
         <label>
            <span>&nbsp;</span>
            <input type="submit" class="button" value="sendPhoto" />
        </label>    
    </form>