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<?php $data = ['status.1', 'status.2', 'status.3', 'country.244', 'country.24', 'country.845', 'pm.4', 'pm.9', 'pm.6']; $result = []; foreach ($data as $value) { [$prefix, $result[$prefix][]] = sscanf($value, '%[^.].%d'); } var_export($result);

This is an error 500

Value for `_results` contains invalid data `array`


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