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@ 2014-08-23T16:55:28Z

<?php
echo 7.799999999999997;
echo "<br/>";
printf("%.16f", round(7.799999999999997, 2));

Output
Performance
VLD
References
Branches

round: documentation ( source)
printf: documentation ( source)

preferences:dark modelive preview

38.94 ms | 402 KiB | 5 Q