I have installed saprfc-1.4.1 on linux 4.0.4-x86_64 (ubuntu14) machine.
PHP Version 5.5.9
RFCSDK 7.20
After installation, I added the extension (extension = saprfc.so) in php.ini file and then restarted apache.
To test if installation was successful i uploaded saprfc_test.php to my www directory.
Entered following details to login to SAP R/3
Application Server - localhost
System Number - 00
Client - 300
User - myusername
Password - *********
Message Server - MSPLECP00_ECP_00
R/3 system Name - ECP
Language - EN
When i tried to Login i got following error:
RFC Error Info : Key : RFC_NOT_INIT Status :
Message : RFC subsystem not yet initialized. Internal: