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jaman
answered Aug 20 '21 00:00
session_start() function is used to start the session in PHP.session_start() function is mostly called in the starting of the execution in the PHP . so all next execution have session variables available.
after starting the session with session_start() , developers can access the session value or set the session value through the $_SESSION .
for example:
session_start();
$_SESSION['data']=true;
echo($_SESSION['data']);
print_r($_SESSION);
above code start session with session_start() function and then you can assign value to the session by through $_SESSION array like this :
$_SESSION['data']=true;
so now the session has an index that has the value "true".
to access the session value, just use the index at $_SESSION array.
for example :
echo($_SESSION['data']);
and print_r($_SESSION) will print all session variable and their values. $_SESSION is array and all array features and function can be applied to $_SESSION .
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