Answers for "php how to caclulate double correctly"

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1

php float precision

<?php
var_dump(round(3.4)); // =>3
var_dump(round(3.5)); // =>4
var_dump(round(3.6)); // =>4
var_dump(round(3.6, 0)); // =>4
var_dump(round(5.045, 2)); // =>5.05
var_dump(round(5.055, 2)); // =>5.06
var_dump(round(345, -2)); // =>300
var_dump(round(345, -3)); // =>0
var_dump(round(678, -2)); // =>700
var_dump(round(678, -3));  // =>1000
?>

Posted by: Guest on December-03-2020

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