How to implement bit-by-bit low-order leading algorithm in PHP

This article will explain in detail how to achieve the bit-by-bit low-order front algorithm in PHP. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

The code is as follows:

/ *

* low-order leading algorithm per bit

* @ param $x

* @ return int

, /

Function reverse ($x)

{

$result = 0

For ($I = 0; $I

< 8; $i++) { $result = ($result >

$I))

}

Return $result & 0xff

}

Call display:

The code is as follows:

$testData = 0xC5; / / binary: 1100 0101

$testRet = reverse ($testData)

Echo $testRet; / / output value is 163and binary is 1010 0011

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