grola

<?php

/**
 * Validate polish postcode.
 *
 * @param string $field_label .
 * @param string $value .
 */
function wpdesk_is_polish_postcode( $field_label, $value ) {
	if ( ! ( (bool) preg_match( '/^([0-9]{2})-([0-9]{3})$/', $value ) ) ) {

grola

<?php 

/**
 * Validate polish postcode. "-" is required.
 *
 * @param bool   $valid .
 * @param string $postcode .
 * @param string $country .
 *
 * @return bool

grola

<?php

wpdesk_permanent_dismissible_notice( 'Success notice.', 'my-success-notice', 'success' );

grola

<?php

wpdesk_init_notice_ajax_handler();

grola

<?php

wpdesk_notice_success( 'Success notice.' );
wpdesk_notice_info( 'Info notice.' );
wpdesk_notice_warning( 'Warning notice.' );
wpdesk_notice_error( 'Error notice.' ); 

grola

<?php

require_once 'wp-desk/wp-notice/init.php';

grola

<?php

require_once 'vendor/autoload.php';

grola

composer require wpdesk/wp-notice

grola

<?php

function wpdesk_permanent_dismisible_info_notice_for_administrator() {
    $notice name = 'admin_notice';
    if ( intval( get_option( 'wpdesk_notice_dismiss_' . $notice_name, 0 ) ) !== 1 ) {
        $user = wp_get current_user();
	if ( in_array( 'administrator', $user->roles ) ) {
    	    ?>
            <div class="notice notice-info is-dismissible" data-notice-name="<?php echo $notice_name; ?>">
	        <p>Info notice for administrator.</p>

grola

<?php

function wpdesk_dismisible_info_notice_for_administrator() {
    $user = wp_get current_user();
    if ( in_array( 'administrator', $user->roles ) ) {
        ?>
        <div class="notice notice-info is-dismissible">
            <p>Info notice for administrator.</p>
        </div>
        <?php