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<?php $values = [10, 10, 5, 8]; $found = []; foreach ($values as $index => $value) { if (!isset($found[$value])) { $found[$value] = $index; } else { unset($values[$index], $values[$found[$value]]); } } var_export($values);

This is an error 500

Value for `_results` contains invalid data `array`


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