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php decbin函数的条件判断技巧有哪些

PHP

小樊

2024-08-10 06:23:36

栏目: 编程语言

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$number = 5;
$bitPosition = 2;
$bitValue = ($number & (1 << $bitPosition)) ? 1 : 0;

$number = 5;
$bitPosition = 2;
$bitValue = ($number >> $bitPosition) & 1;

$number = 5;
$bitPosition = 2;
$number |= (1 << $bitPosition);

if ($number & 1) {
    echo '奇数';
} else {
    echo '偶数';
}

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