How To Install Oracle Instant Client v12 For Xampp v7, v5.5 & v5.6 (Windows)


Below you will find the instructions on how to configure/install and enable the Oracle Instant Client for XAMPP v7, v5.5 and v5.6.

  1. Download and install XAMPP from
  2. Modify the php.ini in “C:\xampp\php”
    • Uncomment the following line “;extension=php_oci8_12c.dll  ; Use with Oracle Database 12c Instant Client”
    • Restart Apache
  3. Download the 32 bit (PHP is 32 bit so no need to 64) Oracle Instant Client from
    • You need both Instant Client Package – Basic and Instant Client Package – SDK
    • Unzip both in “C:\php-sdk\oracle\x86\instantclient_12_1″ and “c:\php-sdk\oracle\x86\instantclient_12_1\sdk” respectivly
  4. Add the directory “C:\php-sdk\oracle\x86\instantclient_12_1″ to the windows path veritable
    • Under system Properties click Environment Variables
    • system-properties
    • Edit the Path variable
    • environment-variables
    • You need to reboot windows
  5. (Optional)If you want to specify the oracle connections in the tnsnames.ora file:

Thats it 🙂


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