ruben wrote:
Hi:

Why is the "floor" function returning 27564 instead of 27565 in this script? PHP version is 4.2.2.

Thanks!
Ruben.



#!/usr/bin/php -q

<?php

$b = 275.65 * 100;

$b = (int)$b;
/*
$b was a floating point number with value something like 27564.9999989, when displayed it shows correctly 27565, but in calculations 27564.9999989 is used.


Q: Do you know why pentiums are faster than 486 processors?
A: Because 486 computes, pentium guesses.

*/
echo "\n\nb= ".$b;
echo "\nfloor(b)= ".floor($b);    // Incorrect. why 27564?

$b = 27565;
echo "\n\nb= ".$b;
echo "\nfloor(b)= ".floor($b)."\n\n";    // Correct

?>


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