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

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

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