Contact form that creates a wordpress post (translatable with Polylang)

contactform.php

<?php
/*
Plugin Name: Example Contact Form
Plugin URI: http://example.com
Description: Simple non-bloated WordPress Contact Form
Version: 1.0
Author: Agbonghama Collins
Author URI: http://w3guy.com
Text Domain: cform
*/

// POLYLANG STRINGS FOR THIS THEME (add the next line to the functions.php of the current theme)
// pll_register_string('Header Title', 'Your Name (required)');
function html_form_code() {

    echo '<form action="' . esc_url( $_SERVER['REQUEST_URI'] ) . '" method="post">';
    echo '<p>';
    echo pll__('Your Name (required)') . '<br />';
    echo '<input type="text" name="cf-name"  value="' . ( isset( $_POST["cf-name"] ) ? esc_attr( $_POST["cf-name"] ) : '' ) . '" size="40" />';
    echo '</p>';
    echo '<p>';
    echo 'Your Email (required) <br />';
    echo '<input type="email" name="cf-email" value="' . ( isset( $_POST["cf-email"] ) ? esc_attr( $_POST["cf-email"] ) : '' ) . '" size="40" />';
    echo '</p>';
    echo '<p>';
    echo 'Название заказа (required) <br />';
    echo '<input type="text" name="cf-subject"  value="' . ( isset( $_POST["cf-subject"] ) ? esc_attr( $_POST["cf-subject"] ) : '' ) . '" size="40" />';
    echo '</p>';
    echo '<p>';
    echo 'Your Message (required) <br />';
    echo '<textarea rows="10" cols="35" name="cf-message">' . ( isset( $_POST["cf-message"] ) ? esc_attr( $_POST["cf-message"] ) : '' ) . '</textarea>';
    echo '</p>';
    echo '<p><input type="submit" name="cf-submitted" value="Send"/></p>';
    echo '</form>';
}



function my_custom_redirect() {
    if ( !empty( $_POST['cf-submitted']) && !empty( $_POST['cf-name']) && !empty( $_POST['cf-email']) && !empty( $_POST['cf-subject'] ) ) {

        $newPost = wp_insert_post(array(
            'post_title' => wp_strip_all_tags($_POST["cf-subject"]),
            'post_status' => 'draft',
            'post_category' => [50],
            'post_content' => $_POST["cf-name"] . ' сделал заказ <b>'. htmlspecialchars($_POST["cf-subject"]) . '</b> и прислал следующее сообщение: <p><i>' . $_POST["cf-message"] . '</i></p><p> Ответить ему Вы можете по электронной почте <b>' . $_POST['cf-email'] . '</b></p>'
        ));
        if (function_exists(pll_set_post_language)) {
            pll_set_post_language($newPost, 'en');
        }


        wp_redirect( get_permalink( 49 ) );
        exit;
    }
}
add_action ('wp_loaded', 'my_custom_redirect');
    // if the submit button is clicked, send the email
    // if ( isset( $_POST['cf-submitted'] ) ) {
    //     wp_redirect( get_permalink( 211 ) ); exit;
        // // sanitize form values
        // $name    = sanitize_text_field( $_POST["cf-name"] );
        // $email   = sanitize_email( $_POST["cf-email"] );
        // $subject = sanitize_text_field( $_POST["cf-subject"] );
        // $message = esc_textarea( $_POST["cf-message"] );
        //
        // // get the blog administrator's email address
        // $to = get_option( 'admin_email' );
        //
        // $headers = "From: $name <$email>" . "\r\n";
        //
        // // If email has been process for sending, redirect to another page
        // if ( wp_mail( $to, $subject, $message, $headers ) ) {
        //     echo '<div>';
        //     echo '<p>Thanks for contacting me, expect a response soon.</p>';
        //     echo '</div>';
        // } else {
        //     echo 'An unexpected error occurred';
        // }
    // }


function cf_shortcode() {
    ob_start();
    my_custom_redirect();
    html_form_code();
    return ob_get_clean();
}

add_shortcode( 'sitepoint_contact_form', 'cf_shortcode' );

?>