Phalanxer Posted June 29, 2012 Share Posted June 29, 2012 I really don't quite understand this problem: Cannot unset string offsets if (isset($_SESSION['tablea']['numbers1-6'])) { $_SESSION['tablea']['numbers1-6prior'] = $_SESSION['tablea']['numbers1-6']; unset($_SESSION['tablea']['numbers1-6']); } The problem is with the last line - unset($_SESSION['tablea']['numbers1-6']); Can someone please tell me what the problem is? I don't understand. Quote Link to comment Share on other sites More sharing options...
memfiss Posted June 29, 2012 Share Posted June 29, 2012 in this part no problems $_SESSION['tablea']['numbers1-6'] = 1; if (isset($_SESSION['tablea']['numbers1-6'])) { $_SESSION['tablea']['numbers1-6prior'] = $_SESSION['tablea']['numbers1-6']; unset($_SESSION['tablea']['numbers1-6']); } var_dump($_SESSION['tablea']['numbers1-6']); Notice: Undefined index: numbers1-6 in /var/www/absolux/test/run.php on line 8 NULL Quote Link to comment Share on other sites More sharing options...
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