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