gmp_export

(PHP 5 >= 5.6.1, PHP 7)

gmp_export — Export to a binary string

gmp_export ( GMP|int|string $num [, int $word_size = 1 [, int $flags = GMP_MSW_FIRST | GMP_NATIVE_ENDIAN ]] ) : string

Export a GMP number to a binary string

num: The GMP number being exported
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.
flags: Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.

Returns a string.

Version	Description
8.0.0	This function no longer returns `false` on failure.

Example #1 gmp_export() example

<?php
$number = gmp_init(16705);
echo gmp_export($number) . "\n";
?>

The above example will output:

AA