Test WordPress sitehealth loopback

wp_test_site_health_loopbacks.php

<?php

//
// A very simple PHP example that sends a HTTP POST to a remote site
// Put this file in your project root directory and execute in browser
// If you see an error, probably the Loopback on Site Health will be also failing, solve this and test again.
//

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL,"http://meninos.org/wp-cron.php");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "postvar1=value1&postvar2=value2&postvar3=value3");

// In real life you should use something like:
// curl_setopt($ch, CURLOPT_POSTFIELDS, 
// http_build_query(array('postvar1' => 'value1')));

// Receive server response ...
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$server_output = curl_exec($ch);

// Check for errors
if (curl_errno($ch)) {
    $error_msg = curl_error($ch);
}

curl_close ($ch);

// Further processing ...
if ($server_output == "OK") {
    echo 'OK';
} else {
    echo 'error';
    var_dump($error_msg);
}