gmp_abs
gmp_* functions don't accept strings with a leading '+':
<?php
echo gmp_strval(gmp_init('+42')); #0
echo gmp_strval(gmp_add('42', '+42')); #42
echo bcadd('+42', '+42'); #84
?>
gmp_add
(PHP 4 >= 4.0.4, PHP 5)
gmp_add — Add numbers
설명
resource gmp_add
( resource $a
, resource $b
)
Add two numbers.
매개변수
반환값
A GMP number representing the sum of the arguments.
예제
Example#1 gmp_add() example
<?php
$sum = gmp_add("123456789012345", "76543210987655");
echo gmp_strval($sum) . "\n";
?>
위 예제의 출력:
200000000000000
add a note
User Contributed Notesgmp_add
charlie at oblivion dot cz
18-Feb-2007 04:54
18-Feb-2007 04:54