<?php

$login_url = 'https://xxx/wp-login.php';//adres doğru
$redirect_url = 'https://xxx.com/wp-admin.php'; 
$login_data = array(
 'log' => 'admin', // log doğru
    'pwd' => 'Admin@123', ://pwd doğru
    'wp-submit' => 'Log In', //doğru
    'redirect_to' => $redirect_url,
    'testcookie' => '1'
);


$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $login_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($login_data));
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname(__FILE__) . '/cookie.txt'); 
curl_setopt($ch, CURLOPT_COOKIEFILE, dirname(__FILE__) . '/cookie.txt'); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
$result = curl_exec($ch);
curl_close($ch);

echo $result;
?>