= 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">
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_cmp — Compare numbers
Returns a positive value if a > b
, zero if
a = b
and a negative value if a <
b
.
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