<?php
$session = 'SESSeb75810f03a0895d9ff136a416f45948=lFWNVIgQqUDCx3lsoHwGMzwl9_ap_KT19gowYhKNDdQ; SSESSeb75810f03a0895d9ff136a416f45948=IUepjG1YGE8UM6k2DJdR63ctYe4qx_clAimFzm0hyZk';

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => "https://likest.ru/like.php",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => array(
    "Accept: */*",
    "Cache-Control: no-cache",
    "Connection: keep-alive",
    "Host: likest.ru",
    "User-Agent: PostmanRuntime/7.11.0",
    "accept-encoding: gzip, deflate",
    "cache-control: no-cache",
    "cookie: ".$session
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
    preg_match('/(wall)(-{1})(\d+)_(\d+)/', $response, $matches);
    if ($matches[0]) {
        echo json_encode(['link' => 'https://vk.com/'.$matches[0]]);
    } else {
        echo json_encode(['error' => 1]);
    }
}