PHP | DsVector __construct() Function

The Ds\Vector::__construct() function is an inbuilt function in PHP which is used to creates a new instance.

Syntax:

public Ds\Vector::__construct( $values )

Parameters: This function accepts single parameter $values which holds the traversable object or array to use initial values.

Below programs illustrate the Ds\Vector::__construct() function in PHP:

Program 1:

<?php  
    
// Declare a new Vector 
$vect = new \Ds\Vector(); 
print_r($vect); 
   
// Declare a new set 
$vect = new \Ds\Vector(['G', 'E', 'K', 'S']);  
print_r($vect); 
   
?> 

Output:

Ds\Vector Object
(
)
Ds\Vector Object
(
    [0] => G
    [1] => E
    [2] => K
    [3] => S
)

Program 2:

<?php  
    
// Declare a new vector 
$vect = new \Ds\Vector([2, 3, 6, 7, 8]);  
var_dump($vect); 
   
// Declare a new vector 
$vect = new \Ds\Vector([2, 3, 5, 8, 9, 10]);  
var_dump($vect); 
?> 

Output:

object(Ds\Vector)#1 (5) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(6)
  [3]=>
  int(7)
  [4]=>
  int(8)
}
object(Ds\Vector)#2 (6) {
  [0]=>
  int(2)
  [1]=>
  int(3)
  [2]=>
  int(5)
  [3]=>
  int(8)
  [4]=>
  int(9)
  [5]=>
  int(10)
}

Reference: https://www.php.net/manual/en/ds-vector.construct.php

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