title: How to check browser is public-key credentials supported?
body: <p>I am implementing <strong>webauthn</strong> using PHP, now I'm facing problem with how to detect browser is <strong>public-key credentials</strong> supported or not. If browser is supported <strong>public-key credentials</strong> then I have to start fingerprint registration procedure.</p>
  
  <p>So is there any way we can detect browser <strong>public-key credentials</strong>.</p>