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轉自 http://php.net/manual/en/function.bindec.php
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bindec() - 二進位轉十進位
bindec
(PHP 4, PHP 5, PHP 7)
bindec — Binary to decimal
Description ¶
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.
bindec() interprets all binary_string values as unsigned integers. This is because bindec() sees the most significant bit as another order of magnitude rather than as the sign bit.
Examples ¶
Example #1 bindec() example
<?php
echo bindec('110011') . "\n";
echo bindec('000110011') . "\n";
echo bindec('111');
?>The above example will output:
51 51 7
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