Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
请告诉我这段代码的含义。
defined( $params->{tco_cvv} ) and $pay_method->{cvv} = $params->{tco_cvv};
我看不懂这句话的意思请回复我
这段代码相当于
if ( defined $params->{tco_cvv} ) { $pay_method->{cvv} = $params->{tco_cvv}; }
即,如果tco_cvv定义了参数,则将其值设置为$pay_method->{cvv}。
tco_cvv
$pay_method->{cvv}