bindec
(PHP 4, PHP 5)
bindec — Binary to decimal
說明
number bindec
( string $binary_string
)
Returns the decimal equivalent of the binary number represented by the binary_string argument.
bindec() converts a binary number to an integer or, if needed for size reasons, float.
參數
- binary_string
-
The binary string to convert
Return值
The decimal value of binary_string
更新日誌
| 版本 | 說明 |
|---|---|
| Since 4.1.0 | The function can now convert numbers that are too large to fit into the platforms integer type, larger values are returned as float in that case. |
範例
Example#1 bindec() example
<?php
echo bindec('110011') . "\n";
echo bindec('000110011') . "\n";
echo bindec('111');
?>
上例將輸出：
51 51 7