PHP Manual: Import from a binary string

GMP gmp_import ( string $data , integer $word_size , integer $options )

Import a GMP number from a binary string

data: The binary string being imported
word_size: Default value is 1. The number of bytes in each chunk of binary data. This is mainly used in conjunction with the options parameter.
options: Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.

Returns a GMP number or FALSE on failure.

Example #1 gmp_import example


<?php
$number = gmp_import("\0");
echo gmp_strval($number) . "\n";

$number = gmp_import("\0\1\2");
echo gmp_strval($number) . "\n";
?>

The above example will output:

0
258