Question

How to set precision to float number on print in PHP

Answer 1

$n = 3.14159265359;
 
echo round($n, 2) . "<br />";
echo round($n, 3) . "<br />";
echo round($n, 4) . "<br />";
echo round($n, 5) . "<br />";


/*
run: 

3.14
3.142
3.1416
3.14159

*/

 

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