gmp_import
(PHP 5 >= 5.6.1, PHP 7, PHP 8)
gmp_import — Import from a binary string
說明
Import a GMP number from a binary string
參數
-
data -
The binary string being imported
-
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.
-
flags -
Default value is
GMP_MSW_FIRST|GMP_NATIVE_ENDIAN.
返回值
Returns a GMP number.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.0.0 |
This function no longer returns false on failure.
|
範例
示例 #1 gmp_import() example
<?php
$number = gmp_import("\0");
echo gmp_strval($number) . "\n";
$number = gmp_import("\0\1\2");
echo gmp_strval($number) . "\n";
?>
以上例程會輸出：
0 258