Send txt file from A domain to B domain And run - php

Question

I'm junior php developer with one year experience.
It's my first time to ask for some help
If there's anything that is not appropriate,please tell me,thanks a lot.
Situation:
1.We have two different places(domain A, domain B)
2.When updating the sql on domain A, save a txt file in JSON type as well.(json.txt)
3.Then "send" this txt file from domain A to domain B
4.read and decode the txt file on domain B, then used in Updating sql
Question:
that "send" in situation 3 is the question need to be helped.
What kind of method can be used in this situation?
Here is the whole process in code :
Domain A = "c://example"
Domain B = "220.xxx.xx"
testing file = "sending.txt"
DomainA
<?php
// this code is on Domain A
include_once "lib/database.php";
$pdo = DB_CONNECT();
$file = "sending.txt";
$f = fopen($file, 'w');
// select data from sql, update and put in array, then save it into txt
$sql = "SELECT id,lastupdated FROM customer";
$pdo -> query($sql);
$rs = $pdo -> query($sql);
foreach ($rs as $key => $row) {
$array[$key]=[
"id" => $row["id"],
"lastupdated" => $row["lastupdated"],
];
$sql = "INSERT INTO customer_test (customer_id,lastupdated) VALUES
(".$row["id"].",'".$row["lastupdated"]."')";
$pdo -> query($sql);
}
$array_json = json_encode($array);
fwrite($f, $array_json);
fclose($f);
?>
The Json txt I svaed
[{"id":"1","lastupdated":"2017-03-01 13:55:17"},
{"id":"2","lastupdated":"2017-01-08 17:03:39"},
{"id":"3","lastupdated":"2017-02-07 09:34:29"}]
Domain B
<?php
include_once "lib/database.php";
$pdo = DB_CONNECT();
// get from local txt which has been sent to here From other Domain;
$json_data = file_get_contents('sending.txt');
$array = json_decode($json_data, true);
//then save into same database,but this one is on Domain B.
foreach ($array as $i => $row) {
$id = $array[$i]["id"];
$lastupdated = $array[$i]["lastupdated"];
$sql = "INSERT INTO customer_test (customer_id,lastupdated) VALUES
(".$id.",'".$lastupdated."')";
$pdo -> query($sql);
}
?>
What code should I add in these two php files?
My boss only give this link to me :
How to simulate browser form POST method using PHP/cURL
But I still don't have any idea at all.
Can't even know where to add my code to test.
Please take a look when you are available with this question.
Many thanks.

Answer 1

Add this to the bottom of Domain A. This generates a post request by the php curl library. You'll need to have it installed and it likely is. http://php.net/manual/en/book.curl.php
$ch = curl_init('http://220.xxx.xx');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $array_json);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type: application/json',
'Content-Length: ' . strlen($array_json))
);
And check the data from Domain A by putting this on domain B:
var_dump($_RESPONSE);exit;
Also, open up the network tab on your element-inspector to get a better idea of what's going on.
// get from local txt which has been sent to here From other Domain;
It could go the other way around. Domain A doesn't send the text... Domain B retrieves the text from Domain A.
Example from php.net: http://php.net/manual/en/curl.examples.php
<?php
// create curl resource
$ch = curl_init();
// set url
curl_setopt($ch, CURLOPT_URL, "c://example/sending.txt"); // Domain A
//return the transfer as a string
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// $output contains the output string
$output = curl_exec($ch);
// close curl resource to free up system resources
curl_close($ch);
// or you could use file_get_contents
$text = file_get_contents('c://example/sending.txt');
$text_array = json_decode($text); print_r($text_array);
?>