curl error 60 - How to fix curl error 60: SSL certificate problem: certificate has expired error ✅

How to fix curl error 60: SSL certificate problem: certificate has expired error ✅

From September 30, 2021, WordPress websites that use Let’s Encrypt certificates are having issues with HTTP API requests. For example, here is an example that will cause this error: $res = wp_remote_get( ‘https://abcdef.com/’ ); if( is_wp_error( $res ) ){ echo $res->get_error_message(); } the error message: cURL error 60: SSL certificate problem: certificate has expired What causes this error? … Read more