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