get user meta

1<?php
2	$meta_data = get_user_meta($user_id, $key, $single);
3?>

1global $current_user; 
2 
3get_currentuserinfo();
4 
5if ( $current_user ) {
6    $permission = get_user_meta( $current_user->ID, 'some_meta' , true );
7     
8    if ( ! empty( $permission ) ) {
9        // do stuff
10    }
11}
12// works for both array and single values
13