Automattic\WooCommerce\Vendor\Detection

MobileDetect::setCfHeaders() │ public │ WC 1.0

Set CloudFront headers http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/header-caching.html#header-caching-web-device

Method of the class: MobileDetect{}

No Hooks.

Return

true|false. If there were CloudFront headers to be set

Usage

$MobileDetect = new MobileDetect();
$MobileDetect->setCfHeaders( $cfHeaders ): bool;
$cfHeaders(array|null)
List of HTTP headers
Default: null

MobileDetect::setCfHeaders() code WC 9.4.2

woocommerce/lib/packages/Detection/MobileDetect.php 
public function setCfHeaders(array $cfHeaders = null): bool
{
    // use global _SERVER if $cfHeaders aren't defined
    if (!is_array($cfHeaders) || !count($cfHeaders)) {
        $cfHeaders = $_SERVER;
    }

    // clear existing headers
    $this->cloudfrontHeaders = array();

    // Only save CLOUDFRONT headers. In PHP land, that means only _SERVER vars that
    // start with cloudfront-.
    $response = false;
    foreach ($cfHeaders as $key => $value) {
        if (substr(strtolower($key), 0, 16) === 'http_cloudfront_') {
            $this->cloudfrontHeaders[strtoupper($key)] = $value;
            $response = true;
        }
    }

    return $response;
}