isset and define("")

Does the 'isset()/unset()' pair work with 'defined()' constants? Is there a way to check for the definition of constants from included files? -- ________________________________________________________________ Dennis K. Gearon (Kegley) Scientific Instrument Technician, School of EIT Oregon Institute of Technology - One of USA's 100 Best College Buys 3201 Campus Drive Klamath Falls, OR 97601 Voice 1-541-885-1563 FAX 1-541-885-1689 email gearond@oit.edu ________________________________________________________________ Happiness is when you want to go to your job in the morning and when you want to go home in the evening. ________________________________________________________________