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PHP | Ds\Vector remove() Function

  • Last Updated : 29 Jan, 2019

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(["geeks", "for",
            "geeks", "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] => geeks
    [1] => for
    [2] => geeks
    [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)

Reference: http://php.net/manual/en/ds-vector.remove.php




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