The Ds\Vector::insert() function is an inbuilt function in PHP which is used to insert the element into the vector at the given index.
Syntax:
void public Ds\Vector::insert( $index, $values )
Parameters: This function accepts two parameter as mentioned above and described below:
- $index: This parameter holds the index at which element is to be inserted.
- $value: This parameter holds the value which is to be inserted.
Return Value: This function does not return any value.
Exception: This function returns OutOfRangeException if the index is not valid.
Below programs illustrate the Ds\Vector::insert() function in PHP:
Program 1:
<?php // Declare new vector $vector = new \Ds\Vector([1, 2, 4, 5]); // Display the Vector element print_r($vector); // Use insert() function to add // element in the vector $vector->insert(2, 3); // Display the vector element print_r($vector); ?> |
Output:
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 4
[3] => 5
)
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
)
Program 2:
<?php // Declare new vector $vector = new \Ds\Vector(["neveropen", "for", "neveropen"]); // Display the Vector element print_r($vector); // Use insert() function to add // element in the vector $vector->insert(1, "practice"); // Display the vector element print_r($vector); ?> |
Output:
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Ds\Vector Object
(
[0] => neveropen
[1] => practice
[2] => for
[3] => neveropen
)
