$rules = array(
array('verify','require',L('VERIFY_CODE_MUST')), array('name','',L('ACCOUNT_EXISTS'),0,'unique',1), );
L('VERIFY_CODE_MUST')//The L function called here, what is the use of the L function?
$rules = array(
array('verify','require',L('VERIFY_CODE_MUST')), array('name','',L('ACCOUNT_EXISTS'),0,'unique',1), );
L('VERIFY_CODE_MUST')//The L function called here, what is the use of the L function?
Get and set language definition;
You can view the source code to learn more;
I feel that it is rarely used because domestic projects are developed using thinkphp;
There are not many multi-language supports;
One more thing; if you are not developing a website that requires multiple languages, it is indeed rarely used;