<?php
echo round(90.00 + 9.71, 2), PHP_EOL
; echo sprintf('%.2f', (90 + 9.71)), PHP_EOL
, PHP_EOL
;
for ($i = 6; $i <= 24; ++$i) {
echo "Precision {$i}", PHP_EOL;
echo round(90.00 + 9.71, 2), PHP_EOL
; echo sprintf('%.2f', (90 + 9.71)), PHP_EOL
, PHP_EOL
; }
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