if (empty($_POST['title']) || empty($_POST['title_pos_x']) && !is_numeric($_POST['title_pos_x']) || empty($_POST['title_pos_y']) && !is_numeric($_POST['title_pos_y'])) {
header('HTTP/1.0 400 Bad Request');
header('Content-Type: application/json');
echo json_encode(array('error' => __('You have not supplied all of the required data.', 'total-slider')));
die;
}
if (!empty($_POST['background'])) {
if (is_numeric($_POST['background'])) {
if ((int) $_POST['background'] != $_POST['background']) {
header('HTTP/1.0 400 Bad Request');
header('Content-Type: application/json');
echo json_encode(array('error' => __('Invalid attachment ID for the specified background.', 'total-slider')));
die;
}
} else {
if (!$g->validate_url($_POST['background'])) {
header('HTTP/1.0 400 Bad Request');
header('Content-Type: application/json');
echo json_encode(array('error' => __('Invalid URL format for the specified background URL.', 'total-slider')));
die;
}
}
}
if (!empty($_POST['link'])) {
if (is_numeric($_POST['link'])) {
$_POST['link'] = (int) $_POST['link'];
if ($_POST['link'] < 1) {
header('HTTP/1.0 400 Bad Request');
header('Content-Type: application/json');
echo json_encode(array('error' => __('The post ID for the specified slide link is not valid.', 'total-slider')));
die;
