The Ds\Sequence::rotate() function is an inbuilt function in PHP which is used to rotate the sequence element by a given number of rotations.
Syntax:
void abstract public Ds\Sequence::rotate ( int $rotations )
Parameters: This function accepts single parameter $rotations which holds the number of rotations.
Return value: This function does not return any value.
Below programs illustrate the Ds\Sequence::rotate() function in PHP:
Program 1:
<?php // Create new Sequence $seq = new \Ds\Vector([1, 2, 3, 4, 5]); echo("Original Sequence\n"); // Display the Sequence elements print_r($seq); // Use rotate() function to rotate // the sequence elements $seq->rotate(3); echo("\nSequence after rotating by 3 places\n"); // Display the Sequence elements print_r($seq); ?> |
Output:
Original Sequence
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
)
Sequence after rotating by 3 places
Ds\Vector Object
(
[0] => 4
[1] => 5
[2] => 1
[3] => 2
[4] => 3
)
Program 2:
<?php // Create new Sequence $seq = new \Ds\Vector(["Geeks", "for", "Geeks", "Computer", "Science", "Portal"]); echo("Original Sequence\n"); // Display the Sequence elements print_r($seq); // Use rotate() function to rotate // the sequence elements $seq->rotate(8); echo("\nSequence after rotating by 8 places\n"); // Display the Sequence elements print_r($seq); ?> |
Output:
Original Sequence
Ds\Vector Object
(
[0] => Geeks
[1] => for
[2] => Geeks
[3] => Computer
[4] => Science
[5] => Portal
)
Sequence after rotating by 8 places
Ds\Vector Object
(
[0] => Geeks
[1] => Computer
[2] => Science
[3] => Portal
[4] => Geeks
[5] => for
)
Reference: https://www.php.net/manual/en/ds-sequence.rotate.php
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