protected function exportExtractedData( array $info ) {
foreach ( $info['globals'] as $key => $val ) {
- if ( !isset( $GLOBALS[$key] ) || !$GLOBALS[$key] ) {
+ if ( !isset( $GLOBALS[$key] ) || ( is_array( $GLOBALS[$key] ) && !$GLOBALS[$key] ) ) {
$GLOBALS[$key] = $val;
} elseif ( $key === 'wgHooks' || $key === 'wgExtensionCredits' ) {
// Special case $wgHooks and $wgExtensionCredits, which require a recursive merge.