function hocwp_change_captcha_image_ajax_callback()
{
$result = array('success' => false);
$captcha = new HOCWP_Captcha();
$url = $captcha->generate_image();
if (!empty($url)) {
$result['success'] = true;
$result['captcha_image_url'] = $url;
} else {
$result['message'] = __('Sorry, cannot generate captcha image, please try again or contact administrator!', 'hocwp-theme');
}
echo json_encode($result);
die;
}
function hocwp_field_captcha($args = array())
{
$lang = hocwp_get_language();
hocwp_sanitize_field_args($args);
$captcha = new HOCWP_Captcha();
$id = isset($args['id']) ? $args['id'] : '';
if (hocwp_string_empty($id)) {
$id = 'hocwp_captcha';
}
$placeholder = isset($args['placeholder']) ? $args['placeholder'] : __('Enter captcha code', 'hocwp-theme');
$class = isset($args['class']) ? $args['class'] : '';
$input_width = isset($args['input_width']) ? absint($args['input_width']) : 125;
if (is_numeric($input_width) && '%' !== hocwp_get_last_char($input_width)) {
$input_width .= 'px';
}
$name = hocwp_get_value_by_key($args, 'name', 'captcha');
if (empty($name)) {
$name = 'captcha';
hocwp_transmit_id_and_name($id, $name);
}
hocwp_add_string_with_space_before($class, 'hocwp-captcha-code');
$args['id'] = $id;
hocwp_field_before($args);
$image_url = $captcha->generate_image();
?>
<input autocomplete="off" id="<?php
echo esc_attr($id);
?>
" name="<?php
echo esc_attr($name);
?>
"
placeholder="<?php
echo esc_attr($placeholder);
?>
" class="<?php
echo esc_attr($class);
?>
" type="text"
style="width: <?php
echo $input_width;
?>
;" required>
<img class="hocwp-captcha-image" src="<?php
echo $image_url;
?>
">
<img class="hocwp-captcha-reload" src="<?php
echo HOCWP_URL . '/images/icon-refresh-captcha.png';
?>
">
<?php
hocwp_field_after($args);
}
