The Ds\Stack::copy() function of PHP Ds\Stack class is used to create a shallow copy of the original stack and returns the copied stack.
Syntax:
Ds\Stack public Ds\Stack::copy ( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns a shallow copy of the original stack.
Below programs illustrate the Ds\Stack::copy() function:
Program 1:
PHP
<?php// PHP program to illustrate the // Ds\stack::copy() function // Create a Stack instance$stack = new \Ds\Stack();// Pushing elements to Stack$stack->push("Welcome");$stack->push("to");$stack->push("GfG");// Print the Copied Stackprint_r($stack->copy());?> |
Output:
Ds\Stack Object
(
[0] => GfG
[1] => to
[2] => Welcome
)
Program 2:
PHP
<?php// PHP program to illustrate the // Ds\stack::copy() function // Create a Stack instance$stack = new \Ds\Stack();// Pushing Mixed value elements to Stack$stack->push("Welcome");$stack->push("to");$stack->push("GfG");$stack->push(10);$stack->push(5.5);// Print the copied stackprint_r($stack->copy());?> |
Output:
Ds\Stack Object
(
[0] => 5.5
[1] => 10
[2] => GfG
[3] => to
[4] => Welcome
)
Reference: http://php.net/manual/en/ds-stack.copy.php
