PHP Manual: Compare numbers

Description

int gmp_cmp(GMPintstring $num1, GMPintstring $num2)

Compares two numbers.

Parameters

num1: A GMP object, an int or a numeric string.
num2: A GMP object, an int or a numeric string.

Return Values

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

Examples

Example #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";
?>

The above example will output:

1 -1 0