文字
gmp_export
(PHP 5, PHP 7 >= 5.6.1)
gmp_export — Export to a binary string
说明
string gmp_export
( GMP
$gmpnumber
, integer $word_size
, integer $options
)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 ( 6565 );
echo gmp_export ( $number ) . "\n" ;
?> 以上例程会输出：
AA