What does “throughout a script” mean? When are 2 php documents part of a same script and when are they not?
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What does “throughout a script” mean? When are 2 php documents part of a same script and when are they not?
“Throughout a script” means “throughout one invocation of the PHP interpreter”. Here are some typical situations:
include()s orrequire()s Script B: The superglobals will transmute from Script A to Script Beval()s some code: The superglobals will transmute from the script to the argument of the evaluation.This is different to “super-defines” such as
__FILE__, as superglobals will be constant (if not manually changed) throughout the invocation, while super-defines will not.In addition to that, the superglobals will allways be in scope, even if inside a function or class without explicitly being
globaled