How to verify specified proxy is used in php script? - php

Question

I am trying to force a php script (currently on XAMPP, soon on a dedicated server) to use a certain proxy for outgoing traffic.
On this site i found the following solution for it :
stream_context_set_default(['http'=>['proxy'=>'ip:port']]);
how do i verify that my script is actually using that proxy?
thanks in advance

Answer 1

You can use fsockopen for this, where you can specify a timeout.
A simple proxy list checker. You can check a list ip:port if that port is opened on that IP.
<?php
$fisier = file_get_contents('proxy_list.txt'); // Read the file with the proxy list
$linii = explode("\n", $fisier); // Get each proxy
$fisier = fopen("bune.txt", "a"); // Here we will write the good ones
for($i = 0; $i < count($linii) - 1; $i++) test($linii[$i]); // Test each proxy
function test($proxy)
{
global $fisier;
$splited = explode(':',$proxy); // Separate IP and port
if($con = #fsockopen($splited[0], $splited[1], $eroare, $eroare_str, 3))
{
fwrite($fisier, $proxy . "\n"); // Check if we can connect to that IP and port
print $proxy . '<br>'; // Show the proxy
fclose($con); // Close the socket handle
}
}
fclose($fisier); // Close the file
?>
you may also want to use set_time_limit so that you can run your script for longer.
Code taken from: http://www.php.net/manual/en/function.fsockopen.php#95605
Just for 1 proxy :
function test()
{
$fisier = fopen("bune.txt", "a"); // Here we will write the good ones
if($con = #fsockopen($IP, $port, $eroare, $eroare_str, 3))
{
fwrite($fisier, $proxy . "\n"); // Check if we can connect to that IP and port
print $proxy . '<br>'; // Show the proxy
fclose($con); // Close the socket handle
}
}