by Ken Task.
two more ...
What does php -m show? Does it show an LDAP module?
What does php -i show? Does it show anything about LDAP?
https://docs.oracle.com/cd/E52668_01/E54669/html/ol7-enblcli-ldap.html
https://www.google.com/search?q=oracle+linux+ldap&ie=utf-8&oe=utf-8
'spirit of sharing', Ken