Brian P. O'Donnell wrote:
""Gustav Wiberg"" <gustav@xxxxxxxxxxxxxx> wrote in message
news:024601c5b3be$77135140$0300a8c0@xxxxxxxxxxxxxx
----- Original Message -----
From: "Shaw, Chris - Accenture" <cshaw@xxxxxxxxxx>
To: "Gustav Wiberg" <gustav@xxxxxxxxxxxxxx>; "PHP General"
<php-general@xxxxxxxxxxxxx>
Sent: Wednesday, September 07, 2005 5:03 PM
Subject: RE: Integer - boundary?
-----Original Message-----
From: Gustav Wiberg [mailto:gustav@xxxxxxxxxxxxxx]
Hi there!
What is the boundary for an integer?
seems to be a easy question, but I can't find it...
/G
http://www.varupiraten.se/
According to the manual,
"The size of an integer is platform-dependent, although a maximum value of
about two billion is the usual value (that's 32 bits signed). PHP does not
support unsigned integers."
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Hi there!
Thanx!
Hm... I would rephrase my question.. Is it possible to get the maximum
integer-value that can be used?
Hi
Try this code to see what it is on your platform:
Brian
<?
// start with some number you are sure is an integer
// make it a really high number to lessen the execution time
$i = 2100000000;
// if you want to do it on the first try, allow it to run until finished
// it will almost certainly take more than 30 seconds
set_time_limit(0);
while(is_int($i))
{
$i++;
}
// then you have the first number that doesn't qualify as int (on your
platform)
print($i)
?>
or, easier, simply make this script:
<?php
echo PHP_INT_MAX;
?>
and you're done :P The maximum integer value is stored in PHP_INT_MAX as
of 4.4.0 and PHP 5.0.5
before that, you had to use a way as the one Brian posted
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