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gmp_cmp

Contents

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

gmp_cmp — Compare numbers

Description

gmp_cmp ( GMP $a , GMP $b ) : int

Compares two numbers.

PHP: gmp_cmp - Manual Home of Manuel PHP  Contents Haut

Parameters

a

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

b

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

PHP: gmp_cmp - Manual Home of Manuel PHP  Contents Haut

Return Values

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

PHP: gmp_cmp - Manual Home of Manuel PHP  Contents Haut

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
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