/**
* Sanitize and validate form input. Accepts an array, return a sanitized array.
*
* @see buttercream_theme_options_init()
* @todo set up Reset Options action
*
*/
function buttercream_theme_options_validate($input)
{
$output = $defaults = buttercream_get_default_theme_options();
// The sample Theme Styles value must be in our array of Theme Styles values
if (isset($input['theme_style']) && array_key_exists($input['theme_style'], buttercream_theme_style())) {
$output['theme_style'] = $input['theme_style'];
}
// The Support field should either be on or off
if (!isset($input['support'])) {
$input['support'] = 'off';
}
$output['support'] = $input['support'] == 'on' ? 'on' : 'off';
// The Custom CSS must be safe text with the allowed tags for posts
if (isset($input['custom_css'])) {
$output['custom_css'] = wp_filter_nohtml_kses($input['custom_css']);
}
return apply_filters('buttercream_theme_options_validate', $output, $input, $defaults);
}
function buttercream_is_a_default_header()
{
$buttercream_styles = buttercream_theme_style();
$buttercream_default_headers = array();
$buttercream_header_image = get_header_image();
foreach ($buttercream_styles as $buttercream_style) {
$buttercream_default_headers[] = $buttercream_style['defaults']['default-header-image'];
}
if (empty($buttercream_header_image) || !in_array($buttercream_header_image, $buttercream_default_headers)) {
return false;
}
return true;
}
