gmp_export()

(PHP 5 >= 5.6.1, PHP 7)

Export to a binary string

说明

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

Export a GMP number to a binary string

参数

$gmpnumber

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.

$options

Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.

返回值

Returns a string 或者在失败时返回FALSE.

范例

gmp_export() example

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

以上例程会输出：

AA

参见

• gmp_import()Import from a binary string