gmp_sub

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_sub — Subtract numbers

说锟斤拷

gmp_sub ( GMP $a , GMP $b ) : GMP

Subtracts b from a and returns the result.

锟斤拷锟斤拷

a

The number being subtracted from.

锟斤拷锟斤拷锟斤拷一锟斤拷 GMP 锟斤拷锟斤拷 resouce锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷转锟斤拷为锟斤拷值锟斤拷锟街凤拷锟斤拷锟斤拷

b

The number subtracted from a.

锟斤拷锟斤拷锟斤拷一锟斤拷 GMP 锟斤拷锟斤拷 resouce锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷转锟斤拷为锟斤拷值锟斤拷锟街凤拷锟斤拷锟斤拷

锟斤拷锟斤拷值

GMP 锟斤拷值锟斤拷源.

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Example #1 gmp_sub() example

<?php
$sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>

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