(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)
OCI-Collection::getElem — Returns value of the element
Returns element's value with the index index (0-based).
indexThe element index. First index is 0.
Returns FALSE if such element doesn't exist; NULL if element is NULL;
string if element is column of a string datatype or number if element is
numeric field.