Do not ignore the result of array_change_key_case()

parent 2649ae6a
......@@ -49,9 +49,8 @@ class OracleSessionInit implements EventSubscriber
return;
}
array_change_key_case($this->_defaultSessionVars, CASE_UPPER);
$vars = [];
foreach ($this->_defaultSessionVars as $option => $value) {
foreach (array_change_key_case($this->_defaultSessionVars, CASE_UPPER) as $option => $value) {
if ($option === 'CURRENT_SCHEMA') {
$vars[] = $option . ' = ' . $value;
} else {
......
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