campaign_total_openrate

number campaign_total_openrate(number $nr_kampanii)

Returns the ratio of opened messages to sent messages during campaign $nr_kampanii, as a decimal number from 0 to 1.

Example:

$tot_openrate = campaign_total_openrate(4);
print('The ratio of opened messages to sent messages is '.$tot_openrate);

Result:

The ratio of opened messages to sent messages is 0.474