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How can I check if CDN link is alive from function.php file on wp_enqueue section?

E.g. I have jQuery CDN and I have downloaded jQuery on local.

How can I test before mount theme (WordPress site) is CDN alive, if it is not, enqueue my local file?

Maybe test headers from request and status code?

$ch = curl_init('.5.0.min.js');
curl_exec($ch);


if (!curl_errno($ch)) {
  switch ($http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE)) {
    case 304:
    case 200:  # OK
      wp_register_script ( 'latest-jquery', '.5.0.min.js' );
      break;
    default:
      wp_register_script ( 'latest-jquery', get_template_directory_uri() . '/js/jquery-3.5.0.min.js.js' );
  }
}


curl_close($ch);

本文标签： theme developmentTest CDN link from functionphp or wpenqueuescriptstyle

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