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PHP | Ds\Vector copy() Function

Last Updated : 22 Aug, 2019
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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 
<?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 
<?php

// Create a vector array
$arr1 = new \Ds\Vector(["geeks", "for", "geeks"]);

// 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] => geeks
    [1] => for
    [2] => geeks
)
Copied Array
Ds\Vector Object
(
    [0] => geeks
    [1] => for
    [2] => geeks
)
Reference: http://php.net/manual/en/ds-vector.copy.php

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