PHP | Ds\Deque rotate()函数
Ds\Deque::rotate()函数是PHP中的一个内置函数,用于将 Deque 的元素旋转给定的旋转次数。
句法:
public Ds\Deque::rotate( $rotations ) : void
参数:此函数接受单个参数$rotations ,该参数保存要旋转的 Deque 中元素的旋转次数。
返回值:该函数不返回任何值。
下面的程序说明了PHP中的Ds\Deque::rotate()函数:
方案一:
rotate(2);
echo("Rotated Deque\n");
// Display the Deque elements
print_r($deck);
?>
输出:
Elements of Deque
Ds\Deque Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
[5] => 6
)
Rotated Deque
Ds\Deque Object
(
[0] => 3
[1] => 4
[2] => 5
[3] => 6
[4] => 1
[5] => 2
)
方案二:
rotate(2);
echo("Rotated Deque\n");
// Display the Deque elements
print_r($deck);
?>
输出:
Elements of Deque
Ds\Deque Object
(
[0] => geeks
[1] => for
[2] => geeks
[3] => practice
)
Rotated Deque
Ds\Deque Object
(
[0] => geeks
[1] => practice
[2] => geeks
[3] => for
)
参考: http: PHP。 PHP