The Ds\Vector::set() function is an inbuilt function in PHP which is used to set the value in the vector at the given index.
Syntax:
void public Ds\Vector::set( $index, $value )
Parameters: This function accepts two parameters as mentioned above and described below:
- $index: This parameter holds the index value at which the vector value to be updated.
- $value: This parameter holds the value by which previous element is to be replaced.
Return Value: This function does not return any value.
Exception: This function throws OutOfRangeException if index is invalid.
Below programs illustrate the Ds\Vector::set() function in PHP:
Program 1:
<?php // Create new Vector $vect = new \Ds\Vector([1, 2, 3, 4, 5]); // Display the Vector elements print_r($vect); // Use set() function to set the // element in the vector $vect->set(1, 10); echo("\nVector after updating the element\n"); // Display the vector elements print_r($vect); ?> |
Output:
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
)
Vector after updating the element
Ds\Vector Object
(
[0] => 1
[1] => 10
[2] => 3
[3] => 4
[4] => 5
)
Program 2:
<?php // Create new Vector $vect = new \Ds\Vector(["neveropen", "of", "neveropen"]); // Display the Vector elements print_r($vect); // Use set() function to set the // element in the vector $vect->set(1, "for"); echo("\nVector after updating the element\n"); // Display the vector elements print_r($vect); ?> |
Output:
Ds\Vector Object
(
[0] => neveropen
[1] => of
[2] => neveropen
)
Vector after updating the element
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Reference: http://php.net/manual/en/ds-vector.set.php
