<?php
//once u make bots, set them on a while loop (or foreach file in dir)
//this will login to them, and grab their session ids so u can play with them at any time ;)
$username = "your bot username";
$password = "your bot pw";
$useragent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/50.0.2661.102 Chrome/50.0.2661.102 Safari/537.36";
$cookie=$username.".txt";
@unlink(dirname(__FILE__)."/".$cookie);
$url="https://www.instagram.com/accounts/login/?force_classic_login";
$ch  = curl_init();
$arrSetHeaders = array(
    "User-Agent: $useragent",
    'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language: en-US,en;q=0.5',
    'Accept-Encoding: deflate, br',
    'Connection: keep-alive',
    'cache-control: max-age=0',
);
curl_setopt($ch, CURLOPT_HTTPHEADER, $arrSetHeaders);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname(__FILE__)."/".$cookie);
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname(__FILE__)."/".$cookie);
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
$page = curl_exec($ch);
curl_close($ch);
if (!preg_match('/<form method="POST" id="login-form" class="adjacent".*?<\/form>/is', $page, $form)) {
    die('Failed to find log in form!');
}
$form = $form[0];
if (!preg_match('/action="([^"]+)"/i', $form, $action)) {
    die('Failed to find login form url');
}

$url2 = $action[1];
$count = preg_match_all('/<input type="hidden"\s*name="([^"]*)"\s*value="([^"]*)"/i', $form, $hiddenFields);

$postFields = array();
for ($i = 0; $i < $count; ++$i) {
    $postFields[$hiddenFields[1][$i]] = $hiddenFields[2][$i];
}
$postFields['username'] = $username;
$postFields['password'] = $password;

$post = '';
foreach($postFields as $key => $value) {
    $post .= $key . '=' . urlencode($value) . '&';
}

$post = substr($post, 0, -1);

preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $page, $matches);

$cookieFileContent = '';

foreach($matches[1] as $item) {
    $cookieFileContent .= "$item; ";
}

$cookieFileContent = rtrim($cookieFileContent, '; ');
$cookieFileContent = str_replace('sessionid=; ', '', $cookieFileContent);

$oldContent = file_get_contents(dirname(__FILE__)."/".$cookie);
$oldContArr = explode("\n", $oldContent);

if(count($oldContArr)){
    foreach($oldContArr as $k => $line){
        if(strstr($line, '# ')){
            unset($oldContArr[$k]);
        }
    }
    $newContent = implode("\n", $oldContArr);
    $newContent = trim($newContent, "\n");

    file_put_contents(
        dirname(__FILE__)."/".$cookie,
        $newContent
    );
}

$arrSetHeaders = array(
    'origin: https://www.instagram.com',
    'authority: www.instagram.com',
    'upgrade-insecure-requests: 1',
    'Host: www.instagram.com',
    "User-Agent: $useragent",
    'content-type: application/x-www-form-urlencoded',
    'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language: en-US,en;q=0.5',
    'Accept-Encoding: deflate, br',
    "Referer: $url",
    "Cookie: $cookieFileContent",
    'Connection: keep-alive',
    'cache-control: max-age=0',
);

$ch  = curl_init();
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname(__FILE__)."/".$cookie);
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname(__FILE__)."/".$cookie);
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $arrSetHeaders);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);

$page = curl_exec($ch);


preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $page, $matches);
$cookies = array();
foreach($matches[1] as $item) {
    parse_str($item, $cookie1);
    $cookies = array_merge($cookies, $cookie1);
}