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