append('error', $lang ['plugin'] ['accessibleantispam'] ['error']); } if (AASPAM_DEBUG && $f = @fopen(AASPAM_LOG, 'a')) { $arr ['aaspam-q'] = $_POST ['aaspam']; $arr ['aaspam-a'] = $v; $arr ['SUCCESS'] = $ret; $s = date('r') . "|" . session_id() . '|' . utils_kimplode($arr) . "\r\n"; @fwrite($f, $s); @fclose($f); } return $ret; } function plugin_aaspam_comment_form() { // we get a random arithmetic operation // between sum, subtraction and multiplication; // we intentionally left out division because // it can lead to situations like division by zero // or floating point numbers $myop = array_rand($ops = array( '+', '-', '*' )); $op = $ops [$myop]; // we get two random integers between 1 and 10 $v1 = mt_rand(1, 10); // we rand $v2 until it differs from $v1 // (otherwise result for subtractions is zero) while (($v2 = mt_rand(1, 10)) == $v1) ; // if operation is subtraction // the higher number must always come first // or you'll get a negative integer if ($v2 > $v1 && $op == '-') { $tmp = $v1; $v1 = $v2; $v2 = $tmp; } // execute the operation switch ($op) { case '+': $v = $v1 + $v2; break; case '-': $v = $v1 - $v2; break; case '*': $v = $v1 * $v2; break; } sess_add('aaspam', $v); // load plugin strings // they're located under plugin.PLUGINNAME/lang/LANGID/ $lang = lang_load('plugin:accessibleantispam'); $langstrings = & $lang ['plugin'] ['accessibleantispam']; // get the correct question depending on the operation switch ($op) { case '+': $question = $langstrings ['sum']; break; case '-': $question = $langstrings ['sub']; break; case '*': $question = $langstrings ['prod']; break; } // format the question with numbers at the proper positions $question = sprintf($question, $v1, $v2); if (AASPAM_DEBUG && $f = @fopen(AASPAM_LOG, 'a')) { $arr ['aaspam-q'] = $v; @fwrite($f, date('r') . '|' . session_id() . '|' . utils_kimplode($arr) . "\r\n"); @fclose($f); } // echoes the question and the form part echo '


'; } ?>