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([ "geeks" , "of" , "geeks" ]);
// 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] => geeks [1] => of [2] => geeks ) Vector after updating the element Ds\Vector Object ( [0] => geeks [1] => for [2] => geeks )
Reference: http://php.net/manual/en/ds-vector.set.php