function my_mail_from_function($email) { return coursepress_get_mp_order_from_email(); }
<td> <input type="text" name="option_mp_order_from_name" value="<?php echo esc_attr(coursepress_get_mp_order_from_name()); ?> "/> </td> </tr> <tr> <th><?php _e('From E-mail', 'cp'); ?> </th> <td> <input type="text" name="option_mp_order_from_email" value="<?php echo esc_attr(coursepress_get_mp_order_from_email()); ?> "/> </td> </tr> <tr> <th><?php _e('E-mail Subject', 'cp'); ?> </th> <td> <input type="text" name="option_mp_order_email_subject" value="<?php echo esc_attr(coursepress_get_mp_order_email_subject()); ?> "/>