note 52032 deleted from language.operators.bitwise by cmb
| From: | cmb@php.net | Date: | Sun, 20 Oct 2019 08:49:47 +0000 |
| Subject: | note 52032 deleted from language.operators.bitwise by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-212697@lists.php.net to get a copy of this message | ||
Note Submitter: Séb.
----
Another practical case...
<?php
header('Content-Type: text/plain') ;
// We want to know the power-2 based numbers of $x
$x = 9124 ;
$n = 1 ;
while ( $x > 0 ) {
if ( $x & 1 == 1 ) {
echo $n, "\n" ;
}
$n *= 2 ;
$x >>= 1 ;
}
// Will output...
// 4
// 32
// 128
// 256
// 512
// 8192
?>