Check if schema attribute is set before using it
Check if schema attribute is set before using it

strebl/adLDAP,vittore/adLDAP,cupdx/adLDAP,utdallasresearch/adLDAP,mjawara/adLDAP,adldap/adLDAP,ilves/adLDAP,glensc/php-adLDAP,des1roer/adLDAP,williamavelino/adLDAP,bahjaat/adLDAP