gmp_div_qr
A good function to help to find if a number is odd or pair.
function is_odd($tmpnumber){
if ($tmpnumber < '0') $tmpnumber = gmp_mod($tmpnumber);
if ($tmpnumber == '0') return(false);
elseif ($tmpnumber == '1') return(true);
elseif ($tmpnumber > '1'){
if (gmp_div_q($tmpnumber,'2') != '0') return(true);
else return(false);
}
}
gmp_div_r
(PHP 4 >= 4.0.4, PHP 5)
gmp_div_r — Remainder of the division of numbers
Description
resource gmp_div_r
( resource
$n
, resource $d
[, int $round = GMP_ROUND_ZERO
] )
Calculates remainder of the integer division of
n by d. The
remainder has the sign of the n argument,
if not zero.
Parameters
-
n -
The number being divided.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
-
d -
The number that
nis being divided by.It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
-
round -
See the gmp_div_q() function for description of the
roundargument.
Return Values
The remainder, as a GMP number.
Examples
Example #1 gmp_div_r() example
<?php
$div = gmp_div_r("105", "20");
echo gmp_strval($div) . "\n";
?>
The above example will output:
5
add a note
User Contributed Notes
gmp_div_r - [1 notes]
Armando ¶
7 years ago