(PHP 3>= 3.0.4, PHP 4 >= 4.0.0)
OCIInternalDebug -- 
     Enables or disables internal debug output.  By default it is
     disabled
    
Description
void OCIInternalDebug (int onoff)
     OCIInternalDebug() enables internal debug
     output.  Set onoff to 0 to turn debug
     output off, 1 to turn it on.