Step-by-Step Example:
1. Download all stuff
1.1 Download Oracle Software (In case you don't have Oracle Client Software)
1.2 Download Apache for windows
1.3 Download PHP Engine and library files.
2. Install all stuff
2.1 Install Oracle Client Software.
2.1.1 Step-by-step to install Client Software
2.1.2 Configure Oracle Client network
2.1.3 Test the Oracle Client connection with your database server
2.2 Install Apache http server for windows
2.2.1 Step-by-step to install Apache http Server
2.2.2 Test the Apache http Server
2.3 Install PHP engine
2.3.1 Step-by-step to install PHP engine
2.3.2 Step-by-step to install PHP extension
3. Manual configuration
3.1 Modify httpd.conf apache configuration file.
3.2 Modify php.ini file for enable oci8 extension.
4. Testing
4.1 Startup and shutdown Apache http Server
4.2 Start your first PHP testing program.
4.2 Check your current environment.
4.3 Creation a simple php program for testing oci extension.