Gets a WP_Theme object for a theme

wp-get-theme.php

<?php
/**
 * Gets a WP_Theme object for a theme
 * Reference: https://developer.wordpress.org/reference/functions/wp_get_theme
 */
 
// Echo the name of the current active theme
echo wp_get_theme();

// Echo the name of an installed theme
$my_theme = wp_get_theme( 'twentytwelve' );
if ( $my_theme->exists() )
    echo esc_html( $my_theme );

// Display the current theme’s version
$my_theme = wp_get_theme();
printf( "%1$s is version %2$s",
    $my_theme->get( 'Name' ),
    $my_theme->get( 'Version' )
);

// Display the current theme author URI
$my_theme = wp_get_theme();
echo esc_html( $my_theme->get( 'AuthorURI' ) );

// Get other data: Text domain & theme URI
$my_theme = wp_get_theme();
echo esc_html( $my_theme->get( 'TextDomain' ) );
echo esc_html( $my_theme->get( 'ThemeURI' ) );