Why would this php not work but would work this way? -

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if ($sess_uid == $wallid) { // } else { run action }

works but

if (!$sess_uid == $wallid) { run action }

wont work. why this? want code fire off if both ids don't match.

this:

if (!$sess_uid == $wallid) {     run action }

is equivalent this:

if ( (!$sess_uid) == ($wallid)) {     run action }

while want:

if (!($sess_uid == $wallid)) {     run action }

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