Php/docs/function.gmp-export

• PHP Manual
• GMP 函数
• Export to a binary string

gmp_export

(PHP 5 >= 5.6.1, PHP 7)

gmp_export — Export to a binary string

说明

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

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

Example #1 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