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stellis/PHP universal session check

Created January 19, 2015 19:12
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PHP universal session check
function session_exists()
{
if(php_sapi_name() === 'cli')
{
$exists = FALSE;
}
else if(version_compare(phpversion(), '5.4.0', '>='))
{
$exists = (session_status() === PHP_SESSION_ACTIVE);
}
else
{
$id = session_id();
$exists = empty($id);
}
}
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