Shortcode

I tried implementing the Shortcode in php page template but it did not work
the following shortcodes that I use:

<?php
$user_login = get_user_field('user_login'); # Username for the current User.
$user_email = get_user_field('user_email'); # Email Address for the current User.
$first_name = get_user_field('first_name'); # First Name for the current User.
$last_name = get_user_field('last_name'); # Last Name for the current User.
$full_name = get_user_field('full_name'); # First and Last Name for the current User.
$display_name = get_user_field('display_name'); # Display Name for the current User.
$avatar = get_user_field('avatar', 0, array('size' => 96)); # Avatar <img> tag.
?>

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