hello. i am trying to write a simple php line that
checks the REMOTE_ADDR variable and see if it comes
from a specific netblock (to see if A.B.C is contained
in a REMOTE_ADDR of A.B.C.D) But how do i do this?
i know there is a php function that checks the string
for the presence of another one... any help please?
the php site is only helpful to me if i know which
function i wish to look up by name. 

in a nutshell:
if ("150.200.250.x" is within


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