<?php # KCAPTCHA configuration file $alphabet = "0123456789abcdefghijklmnopqrstuvwxyz"; # do not change without changing font files! # symbols used to draw CAPTCHA //$allowed_symbols = "0123456789"; #digits //$allowed_symbols = "23456789abcdegkmnpqsuvxyz"; #alphabet without similar symbols (o=0, 1=l, i=j, t=f) $allowed_symbols = "23456789abcdegikpqsvxyz"; #alphabet without similar symbols (o=0, 1=l, i=j, t=f) # folder with fonts $fontsdir = 'fonts'; # CAPTCHA string length $length = mt_rand(5,7); # random 5 or 6 or 7 //$length = 6; # CAPTCHA image size (you do not need to change it, this parameters is optimal) $width = 160; $height = 80; # symbol's vertical fluctuation amplitude $fluctuation_amplitude = 8; #noise //$white_noise_density=0; // no white noise $white_noise_density=1/6; //$black_noise_density=0; // no black noise $black_noise_density=1/30; # increase safety by prevention of spaces between symbols $no_spaces = true; # show credits $show_credits = false; # set to false to remove credits line. Credits adds 12 pixels to image height $credits = 'www.captcha.ru'; # if empty, HTTP_HOST will be shown # CAPTCHA image colors (RGB, 0-255) //$foreground_color = array(0, 0, 0); //$background_color = array(220, 230, 255); $foreground_color = array(mt_rand(0,80), mt_rand(0,80), mt_rand(0,80)); $background_color = array(mt_rand(250,250), mt_rand(250,250), mt_rand(250,250)); # JPEG quality of CAPTCHA image (bigger is better quality, but larger file size) $jpeg_quality = 95; ?>