http://www.12306.cn/mormhweb/ php - Generate coupon code

/*
* Generate coupon code
* $nums How many coupon codes are generated
* $codelength Coupon code length
* $format Coupon code prefix name (not included in the coupon code length)
* $type Return type json array
* /
function get_code($nums = 6 ,$codelength = 6 ,$format = '' ,$type = 'array' )
{
$mcode = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$mcode_len = strlen($ mcode);
$ rs = array();
for($i=0;$i<$nums;)
                                                                
                $str_len = rand(0,$mcode_len-1);         $d = in_array($code,$ rs);
                                                                                                                                                                                                                                                                                              
                                                                                                                                                                                        having returning $rs;
              return json_encode($rs);

}

#For debugging


function pc($data)

{

                                                             echo '

 ';

                                                                                                                                                                                                                                                                            print_r( 


 }

}

pc(get_code ());
pc(get_code(10,10,'-N','json'));
#If you have any problems with the code you wrote, please contact me and I will modify it

                
                
                

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