The Ds\Vector::pop() function is an inbuilt function in PHP which is used to remove the last element of a vector and return it.
Syntax:
mixed public Ds\Vector::pop( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns the last element which removed from the vector.
Below programs illustrate the Ds\Vector::pop() function in PHP:
Program 1:
<?php // Create new Vector $arr1 = new \Ds\Vector([10, 20, 30, 40, 50]); echo("Original vector elements\n"); print_r($arr1); echo("Last element in vector: "); // Use pop() function to remove // last element from vector var_dump($arr1->pop()); echo("\nVector after removing the last element\n"); print_r($arr1); ?> |
Output:
Original vector elements
Ds\Vector Object
(
[0] => 10
[1] => 20
[2] => 30
[3] => 40
[4] => 50
)
Last element in vector: int(50)
Vector after removing the last element
Ds\Vector Object
(
[0] => 10
[1] => 20
[2] => 30
[3] => 40
)
Program 2:
<?php // Create new Vector $arr1 = new \Ds\Vector(["neveropen", "for", "neveropen"]); echo("Original vector elements\n"); print_r($arr1); echo("Last element in vector: "); // Use pop() function to remove // last element from vector var_dump($arr1->pop()); echo("\nVector after removing the last element\n"); print_r($arr1); ?> |
Output:
Original vector elements
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Last element in vector: string(5) "neveropen"
Vector after removing the last element
Ds\Vector Object
(
[0] => neveropen
[1] => for
)
Reference: http://php.net/manual/en/ds-vector.pop.php
