function cptch_display_captcha_custom()
{
global $cptch_options, $cptch_time, $cptch_plugin_info;
if (!$cptch_plugin_info) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
$cptch_plugin_info = get_plugin_data(__FILE__);
}
if (!isset($cptch_options['cptch_str_key'])) {
$cptch_options = get_option('cptch_options');
}
if ('' == $cptch_options['cptch_str_key']['key'] || $cptch_options['cptch_str_key']['time'] < time() - 24 * 60 * 60) {
cptch_generate_key();
}
$str_key = $cptch_options['cptch_str_key']['key'];
$content = "";
/* In letters presentation of numbers 0-9 */
$number_string = array();
$number_string[0] = __('zero', 'captcha');
$number_string[1] = __('one', 'captcha');
$number_string[2] = __('two', 'captcha');
$number_string[3] = __('three', 'captcha');
$number_string[4] = __('four', 'captcha');
$number_string[5] = __('five', 'captcha');
$number_string[6] = __('six', 'captcha');
$number_string[7] = __('seven', 'captcha');
$number_string[8] = __('eight', 'captcha');
$number_string[9] = __('nine', 'captcha');
/* In letters presentation of numbers 11 -19 */
$number_two_string = array();
$number_two_string[1] = __('eleven', 'captcha');
$number_two_string[2] = __('twelve', 'captcha');
$number_two_string[3] = __('thirteen', 'captcha');
$number_two_string[4] = __('fourteen', 'captcha');
$number_two_string[5] = __('fifteen', 'captcha');
$number_two_string[6] = __('sixteen', 'captcha');
$number_two_string[7] = __('seventeen', 'captcha');
$number_two_string[8] = __('eighteen', 'captcha');
$number_two_string[9] = __('nineteen', 'captcha');
/* In letters presentation of numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 */
$number_three_string = array();
$number_three_string[1] = __('ten', 'captcha');
$number_three_string[2] = __('twenty', 'captcha');
$number_three_string[3] = __('thirty', 'captcha');
$number_three_string[4] = __('forty', 'captcha');
$number_three_string[5] = __('fifty', 'captcha');
$number_three_string[6] = __('sixty', 'captcha');
$number_three_string[7] = __('seventy', 'captcha');
$number_three_string[8] = __('eighty', 'captcha');
$number_three_string[9] = __('ninety', 'captcha');
/* The array of math actions */
$math_actions = array();
/* If value for Plus on the settings page is set */
if (1 == $cptch_options['cptch_math_action_plus']) {
$math_actions[] = '+';
}
/* If value for Minus on the settings page is set */
if (1 == $cptch_options['cptch_math_action_minus']) {
$math_actions[] = '−';
}
/* If value for Increase on the settings page is set */
if (1 == $cptch_options['cptch_math_action_increase']) {
$math_actions[] = '×';
}
/* Which field from three will be the input to enter required value */
$rand_input = rand(0, 2);
/* Which field from three will be the letters presentation of numbers */
$rand_number_string = rand(0, 2);
/* If don't check Word in setting page - $rand_number_string not display */
if (0 == $cptch_options["cptch_difficulty_word"]) {
$rand_number_string = -1;
}
/* Set value for $rand_number_string while $rand_input = $rand_number_string */
while ($rand_input == $rand_number_string) {
$rand_number_string = rand(0, 2);
}
/* What is math action to display in the form */
$rand_math_action = rand(0, count($math_actions) - 1);
$array_math_expretion = array();
/* Add first part of mathematical expression */
$array_math_expretion[0] = rand(1, 9);
/* Add second part of mathematical expression */
$array_math_expretion[1] = rand(1, 9);
/* Calculation of the mathematical expression result */
switch ($math_actions[$rand_math_action]) {
case "+":
$array_math_expretion[2] = $array_math_expretion[0] + $array_math_expretion[1];
break;
case "−":
/* Result must not be equal to the negative number */
if ($array_math_expretion[0] < $array_math_expretion[1]) {
$number = $array_math_expretion[0];
$array_math_expretion[0] = $array_math_expretion[1];
$array_math_expretion[1] = $number;
}
$array_math_expretion[2] = $array_math_expretion[0] - $array_math_expretion[1];
break;
case "×":
$array_math_expretion[2] = $array_math_expretion[0] * $array_math_expretion[1];
break;
}
/* String for display */
$id_postfix = rand(0, 100);
$str_math_expretion = '<label class="cptch_label" for="cptch_input_' . $id_postfix . '" style="width: 100%;">';
/* First part of mathematical expression */
if (0 == $rand_input) {
$str_math_expretion .= "<input id=\"cptch_input_" . $id_postfix . "\" class=\"cptch_input\" type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"1\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 40px;\" />";
} else {
if (0 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
$str_math_expretion .= cptch_converting($number_string[$array_math_expretion[0]]);
} else {
$str_math_expretion .= $array_math_expretion[0];
}
}
/* Add math action */
$str_math_expretion .= " " . $math_actions[$rand_math_action];
/* Second part of mathematical expression */
if (1 == $rand_input) {
$str_math_expretion .= " <input id=\"cptch_input_" . $id_postfix . "\" class=\"cptch_input\" type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"1\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 40px;\" />";
} else {
if (1 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
$str_math_expretion .= " " . cptch_converting($number_string[$array_math_expretion[1]]);
} else {
$str_math_expretion .= " " . $array_math_expretion[1];
}
}
/* Add = */
$str_math_expretion .= " = ";
/* Add result of mathematical expression */
if (2 == $rand_input) {
$str_math_expretion .= " <input id=\"cptch_input_" . $id_postfix . "\" class=\"cptch_input\" type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"2\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 40px;\" />";
} else {
if (2 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
if (10 > $array_math_expretion[2]) {
$str_math_expretion .= " " . cptch_converting($number_string[$array_math_expretion[2]]);
} else {
if (20 > $array_math_expretion[2] && 10 < $array_math_expretion[2]) {
$str_math_expretion .= " " . cptch_converting($number_two_string[$array_math_expretion[2] % 10]);
} else {
if ("nl-NL" == get_bloginfo('language', 'Display')) {
$str_math_expretion .= " " . (0 != $array_math_expretion[2] % 10 ? $number_string[$array_math_expretion[2] % 10] . __("and", 'captcha') : '') . $number_three_string[$array_math_expretion[2] / 10];
} else {
$str_math_expretion .= " " . cptch_converting($number_three_string[$array_math_expretion[2] / 10]) . " " . (0 != $array_math_expretion[2] % 10 ? cptch_converting($number_string[$array_math_expretion[2] % 10]) : '');
}
}
}
} else {
$str_math_expretion .= $array_math_expretion[2];
}
}
$str_math_expretion .= '</label>';
/* Add hidden field with encoding result */
$content .= '<input type="hidden" name="cptch_result" value="' . ($str = cptch_encode($array_math_expretion[$rand_input], $str_key, $cptch_time) . '" />
<input type="hidden" name="cptch_time" value="' . $cptch_time . '" />
<input type="hidden" value="Version: ' . $cptch_plugin_info["Version"] . '" />' . $str_math_expretion);
return $content;
}
function cptch_display_captcha_custom()
{
global $cptch_options, $cptch_time, $cptch_plugin_info, $cptch_ip_in_whitelist;
if (empty($cptch_ip_in_whitelist)) {
$cptch_ip_in_whitelist = cptch_whitelisted_ip();
}
if (!$cptch_ip_in_whitelist) {
if (!$cptch_plugin_info) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
$cptch_plugin_info = get_plugin_data(__FILE__);
}
if (!isset($cptch_options['cptch_str_key'])) {
$cptch_options = get_option('cptch_options');
}
if ('' == $cptch_options['cptch_str_key']['key'] || $cptch_options['cptch_str_key']['time'] < time() - 24 * 60 * 60) {
cptch_generate_key();
}
$str_key = $cptch_options['cptch_str_key']['key'];
/*
* array of math actions
*/
$math_actions = array();
if (1 == $cptch_options['cptch_math_action_plus']) {
/* If Plus enabled */
$math_actions[] = '+';
}
if (1 == $cptch_options['cptch_math_action_minus']) {
/* If Minus enabled */
$math_actions[] = '−';
}
if (1 == $cptch_options['cptch_math_action_increase']) {
/* If Increase enabled */
$math_actions[] = '×';
}
/* current math action */
$rand_math_action = rand(0, count($math_actions) - 1);
/*
* get elements of mathematical expression
*/
$array_math_expretion = array();
$array_math_expretion[0] = rand(1, 9);
/* first part */
$array_math_expretion[1] = rand(1, 9);
/* second part */
/* Calculation of the result */
switch ($math_actions[$rand_math_action]) {
case "+":
$array_math_expretion[2] = $array_math_expretion[0] + $array_math_expretion[1];
break;
case "−":
/* Result must not be equal to the negative number */
if ($array_math_expretion[0] < $array_math_expretion[1]) {
$number = $array_math_expretion[0];
$array_math_expretion[0] = $array_math_expretion[1];
$array_math_expretion[1] = $number;
}
$array_math_expretion[2] = $array_math_expretion[0] - $array_math_expretion[1];
break;
case "×":
$array_math_expretion[2] = $array_math_expretion[0] * $array_math_expretion[1];
break;
}
/*
* array of allowed formats
*/
$allowed_formats = array();
if (1 == $cptch_options["cptch_difficulty_number"]) {
/* If Numbers enabled */
$allowed_formats[] = 'number';
}
if (1 == $cptch_options["cptch_difficulty_word"]) {
/* If Words enabled */
$allowed_formats[] = 'word';
}
if (1 == $cptch_options["cptch_difficulty_image"]) {
/* If Images enabled */
$allowed_formats[] = 'image';
}
$use_only_words = 1 == $cptch_options["cptch_difficulty_word"] && 0 == $cptch_options["cptch_difficulty_number"] || 0 == $cptch_options["cptch_difficulty_word"] ? true : false;
/* number of field, which will be displayed as <input type="text"/> */
$rand_input = rand(0, 2);
/*
* get current format for each operand
* for example array( 'text', 'input', 'number' )
*/
$operand_formats = array();
$max_rand_value = count($allowed_formats) - 1;
for ($i = 0; $i < 3; $i++) {
$operand_formats[] = $rand_input == $i ? 'input' : $allowed_formats[mt_rand(0, $max_rand_value)];
}
/*
* get value of each operand
*/
$operand = array();
$id_postfix = rand(0, 100);
foreach ($operand_formats as $key => $format) {
switch ($format) {
case 'input':
$operand[] = '<input id="cptch_input_' . $id_postfix . '" class="cptch_input" type="text" autocomplete="off" name="cptch_number" value="" maxlength="2" size="2" aria-required="true" required="required" style="margin-bottom:0;display:inline;font-size: 12px;width: 40px;" />';
break;
case 'word':
$operand[] = cptch_generate_value($array_math_expretion[$key]);
break;
case 'image':
$operand[] = cptch_get_image($array_math_expretion[$key], $key, $cptch_options['used_packages'][mt_rand(0, count($cptch_options['used_packages']) - 1)], $use_only_words);
break;
case 'number':
default:
$operand[] = $array_math_expretion[$key];
break;
}
}
/*
* get html-structure of CAPTCHA
*/
$reload_button = 1 == $cptch_options['display_reload_button'] ? '<span class="cptch_reload_button_wrap hide-if-no-js">
<noscript>
<style type="text/css">
.hide-if-no-js {
display: none !important;
}
</style>
</noscript>
<span class="cptch_reload_button dashicons dashicons-update"></span>
</span>' : '';
return '<span class="cptch_wrap">
<label class="cptch_label" for="cptch_input_' . $id_postfix . '">
<span class="cptch_span">' . $operand[0] . '</span>
<span class="cptch_span"> ' . $math_actions[$rand_math_action] . ' </span>
<span class="cptch_span">' . $operand[1] . '</span>
<span class="cptch_span"> = </span>
<span class="cptch_span">' . $operand[2] . '</span>
<input type="hidden" name="cptch_result" value="' . cptch_encode($array_math_expretion[$rand_input], $str_key, $cptch_time) . '" />
<input type="hidden" name="cptch_time" value="' . $cptch_time . '" />
<input type="hidden" value="Version: ' . $cptch_plugin_info["Version"] . '" />
</label>' . $reload_button . '</span>';
} else {
return '<label class="cptch_whitelist_message">' . $cptch_options['whitelist_message'] . '</label>';
}
}
function cptch_display_captcha_custom()
{
global $cptch_options, $cptch_time;
if (!isset($cptch_options['cptch_str_key'])) {
$cptch_options = get_option('cptch_options');
}
if ($cptch_options['cptch_str_key']['key'] == '' || $cptch_options['cptch_str_key']['time'] < time() - 24 * 60 * 60) {
cptch_generate_key();
}
$str_key = $cptch_options['cptch_str_key']['key'];
$content = "";
// In letters presentation of numbers 0-9
$number_string = array();
$number_string[0] = __('zero', 'captcha');
$number_string[1] = __('one', 'captcha');
$number_string[2] = __('two', 'captcha');
$number_string[3] = __('three', 'captcha');
$number_string[4] = __('four', 'captcha');
$number_string[5] = __('five', 'captcha');
$number_string[6] = __('six', 'captcha');
$number_string[7] = __('seven', 'captcha');
$number_string[8] = __('eight', 'captcha');
$number_string[9] = __('nine', 'captcha');
// In letters presentation of numbers 11 -19
$number_two_string = array();
$number_two_string[1] = __('eleven', 'captcha');
$number_two_string[2] = __('twelve', 'captcha');
$number_two_string[3] = __('thirteen', 'captcha');
$number_two_string[4] = __('fourteen', 'captcha');
$number_two_string[5] = __('fifteen', 'captcha');
$number_two_string[6] = __('sixteen', 'captcha');
$number_two_string[7] = __('seventeen', 'captcha');
$number_two_string[8] = __('eighteen', 'captcha');
$number_two_string[9] = __('nineteen', 'captcha');
// In letters presentation of numbers 10, 20, 30, 40, 50, 60, 70, 80, 90
$number_three_string = array();
$number_three_string[1] = __('ten', 'captcha');
$number_three_string[2] = __('twenty', 'captcha');
$number_three_string[3] = __('thirty', 'captcha');
$number_three_string[4] = __('forty', 'captcha');
$number_three_string[5] = __('fifty', 'captcha');
$number_three_string[6] = __('sixty', 'captcha');
$number_three_string[7] = __('seventy', 'captcha');
$number_three_string[8] = __('eighty', 'captcha');
$number_three_string[9] = __('ninety', 'captcha');
// The array of math actions
$math_actions = array();
// If value for Plus on the settings page is set
if (1 == $cptch_options['cptch_math_action_plus']) {
$math_actions[] = '+';
}
// If value for Minus on the settings page is set
if (1 == $cptch_options['cptch_math_action_minus']) {
$math_actions[] = '−';
}
// If value for Increase on the settings page is set
if (1 == $cptch_options['cptch_math_action_increase']) {
$math_actions[] = '×';
}
// Which field from three will be the input to enter required value
$rand_input = rand(0, 2);
// Which field from three will be the letters presentation of numbers
$rand_number_string = rand(0, 2);
// If don't check Word in setting page - $rand_number_string not display
if (0 == $cptch_options["cptch_difficulty_word"]) {
$rand_number_string = -1;
}
// Set value for $rand_number_string while $rand_input = $rand_number_string
while ($rand_input == $rand_number_string) {
$rand_number_string = rand(0, 2);
}
// What is math action to display in the form
$rand_math_action = rand(0, count($math_actions) - 1);
$array_math_expretion = array();
// Add first part of mathematical expression
$array_math_expretion[0] = rand(1, 9);
// Add second part of mathematical expression
$array_math_expretion[1] = rand(1, 9);
// Calculation of the mathematical expression result
switch ($math_actions[$rand_math_action]) {
case "+":
$array_math_expretion[2] = $array_math_expretion[0] + $array_math_expretion[1];
break;
case "−":
// Result must not be equal to the negative number
if ($array_math_expretion[0] < $array_math_expretion[1]) {
$number = $array_math_expretion[0];
$array_math_expretion[0] = $array_math_expretion[1];
$array_math_expretion[1] = $number;
}
$array_math_expretion[2] = $array_math_expretion[0] - $array_math_expretion[1];
break;
case "×":
$array_math_expretion[2] = $array_math_expretion[0] * $array_math_expretion[1];
break;
}
// String for display
$str_math_expretion = "";
// First part of mathematical expression
if (0 == $rand_input) {
$str_math_expretion .= "<input type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"1\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 30px;\" />";
} else {
if (0 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
$str_math_expretion .= cptch_converting($number_string[$array_math_expretion[0]]);
} else {
$str_math_expretion .= $array_math_expretion[0];
}
}
// Add math action
$str_math_expretion .= " " . $math_actions[$rand_math_action];
// Second part of mathematical expression
if (1 == $rand_input) {
$str_math_expretion .= " <input type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"1\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 30px;\" />";
} else {
if (1 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
$str_math_expretion .= " " . cptch_converting($number_string[$array_math_expretion[1]]);
} else {
$str_math_expretion .= " " . $array_math_expretion[1];
}
}
// Add =
$str_math_expretion .= " = ";
// Add result of mathematical expression
if (2 == $rand_input) {
$str_math_expretion .= " <input type=\"text\" autocomplete=\"off\" name=\"cptch_number\" value=\"\" maxlength=\"2\" size=\"1\" style=\"margin-bottom:0;display:inline;font-size: 12px;width: 30px;\" />";
} else {
if (2 == $rand_number_string || 0 == $cptch_options["cptch_difficulty_number"]) {
if ($array_math_expretion[2] < 10) {
$str_math_expretion .= " " . cptch_converting($number_string[$array_math_expretion[2]]);
} else {
if ($array_math_expretion[2] < 20 && $array_math_expretion[2] > 10) {
$str_math_expretion .= " " . cptch_converting($number_two_string[$array_math_expretion[2] % 10]);
} else {
if (get_bloginfo('language', 'Display') == "nl-NL") {
$str_math_expretion .= " " . (0 != $array_math_expretion[2] % 10 ? $number_string[$array_math_expretion[2] % 10] . __("and", 'captcha') : '') . $number_three_string[$array_math_expretion[2] / 10];
} else {
$str_math_expretion .= " " . cptch_converting($number_three_string[$array_math_expretion[2] / 10]) . " " . (0 != $array_math_expretion[2] % 10 ? cptch_converting($number_string[$array_math_expretion[2] % 10]) : '');
}
}
}
} else {
$str_math_expretion .= $array_math_expretion[2];
}
}
// Add hidden field with encoding result
$content .= '<input type="hidden" name="cptch_result" value="' . ($str = encode($array_math_expretion[$rand_input], $str_key, $cptch_time) . '" />
<input type="hidden" name="cptch_time" value="' . $cptch_time . '" />
<input type="hidden" value="Version: 2.4" />');
$content .= $str_math_expretion;
return $content;
}