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gmp_cmp

PHP function Edit on GitHub ✎

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

Compare numbers

Description

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

Compares two numbers.

Parameters

num1

Parameter

num2

Parameter

Return Values

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

Examples

gmp_cmp() example

php
<?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";
?>

The above example will output:

output
1 -1 0

Source: reference/gmp/functions/gmp-cmp.xml · from the official PHP manual (php/doc-en)