The Ds\Vector::remove() function is an inbuilt function in PHP which is used to remove the value from index and return it.
Syntax:
public Ds\Vector::remove( $index ) : mixed
Parameters: This function accepts single parameter $index which holds the index at which the element is to be removed.
Return Value: This function returns the value that was removed.
Exception: This function throws OutOfRangeException if the given index is out of range or not valid.
Below programs illustrate the Ds\Vector::remove() function in PHP:
Program 1:
<?php // Declare new vector $vect = new \Ds\Vector(["neveropen", "for", "neveropen", "DataStructures"]); echo("Vector Elements\n"); // Display the Vector elements print_r($vect); echo("\nLast element of the vector: \n"); // Use remove() function to remove // value at index 3 and return it var_dump($vect->remove(3)); ?> |
Output:
Vector Elements
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
[3] => DataStructures
)
Last element of the vector:
string(14) "DataStructures"
Program 2:
<?php // Declare new vector $vect = new \Ds\Vector([1, 2, 3, 4, 5, 6]); echo("Vector Elements\n"); // Display the Vector elements print_r($vect); echo("\nLast element of the vector: \n"); // Use remove() function to remove // value at index 3 and return it var_dump($vect->remove(3)); ?> |
Output:
Vector Elements
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
[5] => 6
)
Last element of the vector:
int(4)
