How to start single PHP session? -

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i'm looking way start single php session, nothing seems work.

i've tried doing this:

session_start($_session['check_rank']);

but didn't work.. got following error:

php notice:  undefined variable: _session in /applications/mamp/myprojects/teste/teste.php on line 4 php warning:  session_start() expects parameter 1 array, null given in /applications/mamp/myprojects/teste/teste.php on line 4

is there way start single section?

what "single" php session? never heard of it.

session_start() takesno parameter, starts session. if want call/start named session, have use session_name().

e.g.

<?php session_name("my-session"); session_start();

$_session store session variables,

e.g.

<?php session_name("my-session"); session_start();  $_session["foo"] = "bar";

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