The Ds\Sequence::reversed() function is an inbuilt function in PHP which is used to return the reverse copy of sequence element.
Syntax:
Ds\Sequence abstract public Ds\Sequence::reversed ( void )
Parameters: This function does not accepts any parameter.
Return Value: This function returns the reversed copy of sequence elements.
Below programs illustrate the Ds\Sequence::reversed() function in PHP:
Program 1:
<?php // Create new Sequence $seq = new \Ds\Vector([1, 2, 3, 4, 5]); // Display the sequence elements print_r($seq); echo("After reversing the sequence elements\n"); // Use reversed() function to reverse // the copy of sequence and display it print_r($seq->reversed()); ?> |
Output:
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
)
Program 2:
<?php // Create new Vector $seq = new \Ds\Vector(["Geeks", "for", "Geeks", "Computer", "Science", "Portal"]); // Display the elements print_r($seq); echo("Sequence after reversing\n"); // Use reversed() function to reverse // the element and display it print_r($seq->reversed()); ?> |
Output:
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
)
Reference: https://www.php.net/manual/en/ds-sequence.reversed.php
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