Last active
February 17, 2022 16:04
-
-
Save hoangphunam0604/019ea81e5e66230e26c6eb54e5d19619 to your computer and use it in GitHub Desktop.
get number of very very small decimal digits
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
//get_number_very_small_decimal_digits(0.000000000097232321312312); | |
// return (string) 0.000000000097232321312312 | |
//get_number_very_small_decimal_digits(0.000000098765); | |
// return (string) 0.000000098765 | |
//get_number_very_small_decimal_digits(0.0000000000987); | |
// return (string) 0.0000000000987 | |
function get_number_very_small_decimal_digits(float $number, int $decimal = 0): string | |
{ | |
if ($number >= 1000) | |
return number_format($number, $decimal); | |
$str = rtrim(number_format($number, 14 - log10($number)), '0'); | |
$decimal_len = strlen(substr(strrchr($str, "."), 1)); | |
$format = "%0.".sprintf("%d", $decimal_len)."f"; | |
return sprintf($format, $number); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment