I'm wondering how the php scripts are executed. I know that they are compiled into bytecode, and the bytecode is executed, but I don't know how that bytecode is executed, what executes that bytecode, etc... Can anybody answer that?
"Depends on the SAPI. With Apache+mod_php it's typically one process per script/interpreter. As is it with FastCGI. Other setups (IIS) might use threads." - mario
I'm not sure what you want, but if I understand you need to know how php executes a script I think there is already an answer.