php - form mail with auto sequencial numbering -


my problem this,

we have form when filled send email company form info, boss asking add sequential number (1,2,3,4) info on email

i'm using mail function of php, don't save data on db can't pull incremental field there

is there way via code only??

thanks can give me

yes, can example save in file:

$i = file_get_contents("number"); $i++; file_put_contents("number", $i); /* mail $i */

p.s.: have store somewhere; can store in shared memory etc; number lost on restart.


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