PHP | Ds\Sequence reversed()函数
Ds\Sequence::reversed()函数是PHP中的一个内置函数,用于返回序列元素的反向副本。
句法:
Ds\Sequence abstract public Ds\Sequence::reversed ( void )
参数:此函数不接受任何参数。
返回值:此函数返回序列元素的反向副本。
下面的程序说明了PHP中的Ds\Sequence::reversed()函数:
方案一:
reversed());
?>
输出:
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
)
After reversing the sequence elements
Ds\Vector Object
(
[0] => 5
[1] => 4
[2] => 3
[3] => 2
[4] => 1
)
方案二:
reversed());
?>
输出:
Ds\Vector Object
(
[0] => Geeks
[1] => for
[2] => Geeks
[3] => Computer
[4] => Science
[5] => Portal
)
Sequence after reversing
Ds\Vector Object
(
[0] => Portal
[1] => Science
[2] => Computer
[3] => Geeks
[4] => for
[5] => Geeks
)
参考: https://www. PHP.net/manual/en/ds-sequence.reversed。 PHP