fire-and-forget curl working

gistfile1.txt

<?php
// Usage: wp eval-file test-curl-post.php [blog_id]

require_once( dirname( __FILE__ ) . '/wp-load.php' );
$blog_id = 7; // HU
$output = '';
if ( is_multisite() ) {
    switch_to_blog( $blog_id );
    $output  = "Testing on Blog ID: " . get_current_blog_id() . PHP_EOL;
    $output .= "Site URL: " . site_url() . PHP_EOL;
}

$url = site_url('wp-admin/admin-ajax.php?action=task_runner_preload-urls');

// cURL setup
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true); // We'll parse the header for HTTP code
curl_setopt($ch, CURLOPT_TIMEOUT_MS, 50); // 0.01 seconds
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_NOBODY, false);

curl_setopt($ch, CURLOPT_USERAGENT, "CustomSG24");
curl_setopt( $ch, CURLOPT_NOSIGNAL, 1 );


$start = microtime(true);
$response = curl_exec($ch);
$end = microtime(true);
$exec_time = $end - $start;

// Separate header and body
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$body = substr($response, $header_size);

// Get HTTP status code
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

curl_close($ch);

$output .= "AJAX2 URL: $url" . PHP_EOL;
$output .= "HTTP Status: " . $http_code . PHP_EOL;
$output .= "Execution Time: " . round($exec_time, 4) . " seconds" . PHP_EOL;
$output .= "Response Body (truncated):" . PHP_EOL;
$output .= substr($body, 0, 500) . PHP_EOL;

echo '<pre>' . htmlspecialchars($output) . '</pre>';

if ( is_multisite() ) {
    restore_current_blog();
}