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@ 2017-10-03T16:03:09Z

<?php

function getGrade($score) {
    echo chr(intdiv($score, 10) * -1 + 10 + 64);
}

echo getGrade(85);

Output
Performance
VLD
References
Branches

chr: documentation ( source)
intdiv: documentation ( source)

preferences:dark modelive previewkey bindings

25.41 ms | 405 KiB | 5 Q