PHP Warning: Unknown(): Unable to load dynamic library 'C:\PHP\EXTENSIONS\php_oci8.dll' - Access is denied. in Unknown on line  0  PHP Warning: Unknown(): Unable to load dynamic library 'C:\PHP\EXTENSIONS\php_oracle.dll' - Access is denied. in Unknown on line  0  

At the client side you have to take care with some issues: 
Oracle
You need Oracle + Oracle Client libraries installed on your machine (libraries are needed - We have tested with Oracle  8 . 1 ). 
Load the Library
•  On Windows

 You must edit C:\agata\php\php.ini and remove ";" in front of:
 ;extension=php_oci8.dll
Environment variables
Before to start Agata, set these variables in the prompt or in your c:\autoexec.bat (preferentially):

You'll need Oracle installed on your machine
 set PATH=C:\ORACLE\ORA81\BIN; <original path...>
 [Add Oracle bin directory to the system path]
 set ORACLE_HOME=C:\ORACLE\ORA81
 [Set ORACLE_HOME to the Oracle client directory]
 set TNS_ADMIN=C:\ORACLE\ORA81\NETWORK\ADMIN
 [Set TNS_ADMIN to the directory where your tnsnames.ora is locatted]

 and then run Agata, using oci8 driver...

 c:\agata\a.bat
Connect options
In Project Name, type anything you want to identify this connection;
In IP Addreess, type SID;
In DataBase Name, type SID;
In User, type username to connect DataBase;
In Password, type password to connect DataBase;
In Language, type your preferred language (en, pt...);
In Database type, choose oci8;

CGI Timeout
The specified CGI application exceeded the allowed time for processing. The server has deleted the process.

PHP Warning: Unknown(): Unable to load dynamic library 'C:\PHP\EXTENSIONS\php_oci8.dll' - Access is denied. in Unknown on line 0 PHP Warning: Unknown(): Unable to load dynamic library 'C:\PHP\EXTENSIONS\php_oracle.dll' - Access is denied. in Unknown on line 0