To enable the agent to use the pre-compiled version shipped with PHP Agent, follow the below given steps:
 
1. Navigate to /opt/zpa/lib and type the command 
    n -s libcurl.so.4.4.0 libcurl.so.4  | 
2. Restart the zpdp service, via 
  cd /opt/zpa/bin && sh run.sh restart   | 
Or
    service zpdpsvc restart  |