3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['+5', '+5', '+3', '+3', '+3', '+3', '+5', '+5']; foreach (array_count_values($array) as $value => $count) { if ($count > 1) { unset($array[array_search($value, $array)]); } } var_export(array_sum($array));

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58.77 ms | 402 KiB | 5 Q