About PHP binary stream bit-by-bit low-end-first algorithm (detailed explanation)_PHP tutorial

Copy code The code is as follows:

/***************************************************** **
* Bit-by-bit low-endian algorithm
* @param $x
* @return int
*/
function reverse($x)
{
$result = 0;
for($i = 0; $i < 8; $i++)
{
$result = ($result << 1) + (1 & ($x >> $i));
}
}

Call display:
Copy code

The code is as follows:$testData = 0xC5; //Binary: 1100 0101$testRet = reverse($testData);

echo $testRet; //The output value is 163, binary is 1010 0011

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truehttp: //www.bkjia.com/PHPjc/327565.htmlTechArticleCopy the code as follows: /***************************************************** ** * Bit-by-bit low-endian algorithm* @param $x * @return int*/ function reverse($x) { $result = 0 ; fo...