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<?php function setKey($sessionKeys, $value) { $sessionKeysArray = explode(':', $sessionKeys); $sessionKey = ''; $keys = '[\'' . implode('\'][\'', $sessionKeysArray) . '\']'; $tmp = eval('is_array(&$_SESSION' . $sessionKey . ') = ' . $value . ';'); var_dump($tmp); } $_SESSION['1']['2'] = array(); setKey('1:2:3', 77);

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