PHP | Ds\Vector copy() Function

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The Ds\Vector::copy() function is an inbuilt function in PHP which is used to create a copy of given vector.

Syntax:

Ds\Vector public Ds\Vector::copy( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns a shallow copy of the vector.

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

Program 1:

<?php 
  
// Create a vector array 
$arr1 = new \Ds\Vector([1, 2, 3, 5]); 
  
// Use copy() function to copy 
// the vector array 
$arr2 = $arr1->copy(); 
  
echo("Original Array \n"); 
  
// Display the original array 
print_r($arr1); 
  
echo("Copied Array \n"); 
  
// Display the copied array 
print_r($arr2); 
  
?>  

Output:

Original Array 
Ds\Vector Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 5
)
Copied Array 
Ds\Vector Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 5
)

Program 2:

<?php 
  
// Create a vector array 
$arr1 = new \Ds\Vector(["zambiatek", "for", "zambiatek"]); 
  
// Use copy() function to copy 
// the vector array 
$arr2 = $arr1->copy(); 
  
echo("Original Array\n"); 
  
// Display the original array 
print_r($arr1); 
  
echo("Copied Array\n"); 
  
// Display the copied array 
print_r($arr2); 
  
?> 

Output:

Original Array
Ds\Vector Object
(
    [0] => zambiatek
    [1] => for
    [2] => zambiatek
)
Copied Array
Ds\Vector Object
(
    [0] => zambiatek
    [1] => for
    [2] => zambiatek
)

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

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