public function setCertificate($certificateFile, $password = null)
    {
        if ($password) {
            $this->options[GuzzleRequestOptions::CERT] = [$certificateFile, $password];
        } else {
            $this->options[GuzzleRequestOptions::CERT] = $certificateFile;
        }
    }
public function setCertificate($certificateFile, $password = null)
    {
        if ($password) {
            $this->options[GuzzleRequestOptions::CERT] = [$certificateFile, $password];
        } else {
            $this->options[GuzzleRequestOptions::CERT] = $certificateFile;
        }
    }
public function setCertificate ( $ certificateFile , $ password = null ) { if ( $ password ) { $ this -> options [ GuzzleRequestOptions :: CERT ] = [ $ certificateFile , $ password ] ; } else { $ this -> options [ GuzzleRequestOptions :: CERT ] = $ certificateFile ; } }
Set to a string to specify the path to a file containing a PEM formatted client side certificate

@param string $certificateFile
@param null   $password
Set to a string to specify the path to a file containing a PEM formatted client side certificate