ho i make operate.php code for this js in wordpress [closed]

(operate ($) {
‘use strict’;
var ring = new Audio;
var prv_id;
var prv_button;

$(doc).on('click on', '.play-btn', operate () {
    var button = $(this);
    var post_id = button.attr('data-post-id');
    if (prv_id == post_id) {
        if (ring.paused) {
            button.addClass('pause');
            ring.play()
        } else {
            ring.pause();
            prv_button.removeClass('pause');
        }
        return false;
    }
    if (prv_id) {
        button.removeClass('spinner');
        ring.pause();
        prv_button.removeClass('pause');
    }
    prv_button = button;
    prv_id = post_id;
    if (post_id !== '') {
        $.ajax({
            kind: 'POST',
            url: "/wp-admin/admin-ajax.php",
            information: {
                motion: 'ringtone_url',
                post_id: post_id,
            },
            beforeSend: operate () {
                button.addClass('spinner');
            },
            success: operate (response) {
                button.removeClass('spinner');
                button.addClass('pause');
                ring.src = response;
                ring.play()
            }
        });
    }
    return false;
});
ring.onended = operate () {
    prv_button.removeClass('pause');
};

})(jQuery);

give me operate.php code