Execute PHP code from custom field

Hello!

If anyone would like to execute php code in wordpress post so there are many plugin are avaliable on net but I want to execute php from custom field.

<?php
setlocale(LC_ALL, 'nl_NL.ISO-8859-15@euro');
echo strftime('%A %d %B, %Y',strtotime(get_the_time('m/d/Y')));
?>

i am trying to do execute this above php code. First I create one Custom Name and put above php code in the value and then I called function <?php woo_get_NAME (”); ?> in single.php file where ever i required this custom field but its not working. can anyone please help.

thanks