session_set_save_handler()

Okay, I've come to the conclusion that you cannot print or echo things from within the write and close functions that you set with session_set_save_handler(). Can anyone else confirm this? Read and Open work, don't know about destroy or gc. All the functions work and keep track of sessions properly, but adding a simple echo "I read from the database < br >\n"; to the write function will disturb the functionality of the page the first time it is accessed after uploading. Subsequent requests will just not process the echo or print statement. Here is the source code if you want to double check me. http://tapinternet.com/~mark/phpsess.src