Kyatipov

<?php
/**
 * Polylang Shortcode - https://wordpress.org/plugins/polylang/
 * Add this code in your functions.php
 * Put shortcode [polylang_langswitcher] to post/page for display flags
 *
 * @return string
 */
function custom_polylang_langswitcher() {
	$output = '';

Kyatipov

<?php

function is_site_admin(){
    return in_array('administrator',  wp_get_current_user()->roles);
}

add_shortcode('output_data', 'solution_for_rgb_code_test_task_by_kyatipov');
function solution_for_rgb_code_test_task_by_kyatipov() {
	
	// Specification from task