add_setting()` * 'sanitize_callback'. It is wrapped in a callback here merely for example purposes. * * @see wp_strip_all_tags() https://developer.wordpress.org/reference/functions/wp_strip_all_tags/ * * @param string $css CSS to sanitize. * @return string Sanitized CSS. */ function tromas_sanitize_css( $css ) { return wp_strip_all_tags( $css ); } /** * Drop-down Pages sanitization callback example. * * - Sanitization: dropdown-pages * - Control: dropdown-pages * * Sanitization callback for 'dropdown-pages' type controls. This callback sanitizes `$page_id` * as an absolute integer, and then validates that $input is the ID of a published page. * * @see absint() https://developer.wordpress.org/reference/functions/absint/ * @see get_post_status() https://developer.wordpress.org/reference/functions/get_post_status/ * * @param int $page Page ID. * @param WP_Customize_Setting $setting Setting instance. * @return int|string Page ID if the page is published; otherwise, the setting default. */ function tromas_sanitize_dropdown_pages( $page_id, $setting ) { // Ensure $input is an absolute integer. $page_id = absint( $page_id ); // If $page_id is an ID of a published page, return it; otherwise, return the default. return ( 'publish' == get_post_status( $page_id ) ? $page_id : $setting->default ); } /** * HEX Color sanitization callback example. * * - Sanitization: hex_color * - Control: text, WP_Customize_Color_Control * * Note: sanitize_hex_color_no_hash() can also be used here, depending on whether * or not the hash prefix should be stored/retrieved with the hex color value. * * @see sanitize_hex_color() https://developer.wordpress.org/reference/functions/sanitize_hex_color/ * @link sanitize_hex_color_no_hash() https://developer.wordpress.org/reference/functions/sanitize_hex_color_no_hash/ * * @param string $hex_color HEX color to sanitize. * @param WP_Customize_Setting $setting Setting instance. * @return string The sanitized hex color if not null; otherwise, the setting default. */ function tromas_sanitize_hex_color( $hex_color, $setting ) { // Sanitize $input as a hex value without the hash prefix. $hex_color = sanitize_hex_color( $hex_color ); // If $input is a valid hex value, return it; otherwise, return the default. return ( ! is_null( $hex_color ) ? $hex_color : $setting->default ); } /** * Number sanitization callback example. * * - Sanitization: number_absint * - Control: number * * Sanitization callback for 'number' type text inputs. This callback sanitizes `$number` * as an absolute integer (whole number, zero or greater). * * NOTE: absint() can be passed directly as `$wp_customize->add_setting()` 'sanitize_callback'. * It is wrapped in a callback here merely for example purposes. * * @see absint() https://developer.wordpress.org/reference/functions/absint/ * * @param int $number Number to sanitize. * @param WP_Customize_Setting $setting Setting instance. * @return int Sanitized number; otherwise, the setting default. */ function tromas_sanitize_number_absint( $number, $setting ) { // Ensure $number is an absolute integer (whole number, zero or greater). $number = absint( $number ); // If the input is an absolute integer, return it; otherwise, return the default return ( $number ? $number : $setting->default ); } /** * Select sanitization callback example. * * - Sanitization: select * - Control: select, radio * * Sanitization callback for 'select' and 'radio' type controls. This callback sanitizes `$input` * as a slug, and then validates `$input` against the choices defined for the control. * * @see sanitize_key() https://developer.wordpress.org/reference/functions/sanitize_key/ * @see $wp_customize->get_control() https://developer.wordpress.org/reference/classes/wp_customize_manager/get_control/ * * @param string $input Slug to sanitize. * @param WP_Customize_Setting $setting Setting instance. * @return string Sanitized slug if it is a valid choice; otherwise, the setting default. */ function tromas_sanitize_select( $input, $setting ) { // Ensure input is a slug. $input = sanitize_key( $input ); // Get list of choices from the control associated with the setting. $choices = $setting->manager->get_control( $setting->id )->choices; // If the input is a valid key, return it; otherwise, return the default. return ( array_key_exists( $input, $choices ) ? $input : $setting->default ); } /** * Sanitize Category. * @param $input * @return int */ function tromas_sanitize_category($input){ $output=intval($input); return $output; } if ( ! class_exists( 'WP_Customize_Control' ) ) return NULL; /** * Class tromas_Customize_Dropdown_Taxonomies_Control */ class tromas_Customize_Dropdown_Taxonomies_Control extends WP_Customize_Control { public $type = 'dropdown-taxonomies'; public $taxonomy = ''; public function __construct( $manager, $id, $args = array() ) { $our_taxonomy = 'category'; if ( isset( $args['taxonomy'] ) ) { $taxonomy_exist = taxonomy_exists( esc_attr( $args['taxonomy'] ) ); if ( true === $taxonomy_exist ) { $our_taxonomy = esc_attr( $args['taxonomy'] ); } } $args['taxonomy'] = $our_taxonomy; $this->taxonomy = esc_attr( $our_taxonomy ); parent::__construct( $manager, $id, $args ); } public function render_content() { $tax_args = array( 'hierarchical' => 1, 'taxonomy' => $this->taxonomy, ); $all_taxonomies = get_categories( $tax_args ); ?> '-1')); $this->posts = get_posts($postargs); parent::__construct( $manager, $id, $args ); } /** * Render the content on the theme customizer page */ public function render_content() { if(!empty($this->posts)) { ?>