= 4.0.4, PHP 5, PHP 7, PHP 8)gmp_cmp — Compare numbers說明gmp_cmp(GMP|int|string $num1, GMP|int|string $num2): intCompares two numbers. 參">

gmp_cmp

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_cmpCompare numbers

說明

gmp_cmp(GMP|int|string $num1, GMP|int|string $num2): int

Compares two numbers.

參數(shù)

num1

GMP 對(duì)象或 int ,或數(shù)字string。

num2

GMP 對(duì)象或 int ,或數(shù)字string。

返回值

Returns a positive value if a > b, zero if a = b and a negative value if a < b.

范例

示例 #1 gmp_cmp() example

<?php
$cmp1 
gmp_cmp("1234""1000"); // greater than
$cmp2 gmp_cmp("1000""1234"); // less than
$cmp3 gmp_cmp("1234""1234"); // equal to

echo "$cmp1 $cmp2 $cmp3\n";
?>

以上例程會(huì)輸出:

1 -1 0