PHP | Ds\Stack push() Function

The Ds\Stack::push() function of PHP is used to add elements at the end of the stack. That it is used to push elements on to a stack. The elements being pushed can be of mixed data types.

Syntax:

void public Ds\Stack::push ($values)

Parameter: This function accepts a single parameter $values which is used to push onto the stack.

Return Value: This function does not return any value.

Below programs illustrate the Ds\Stack::push() function:

Program 1:  

PHP

<?php

// PHP program to illustrate the
// Ds\stack::push() function

// Create a Stack instance
$stack = new \Ds\Stack();

// Pushing elements to Stack
$stack->push("Welcome");
$stack->push("to");
$stack->push("GfG");

// Print the stack
print_r($stack);

?>

Output: 

Ds\Stack Object
(
    [0] => GfG
    [1] => to
    [2] => Welcome
)

Program 2: 

PHP

<?php

// PHP program to illustrate the
// Ds\stack::push() 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 stack
print_r($stack);

?>

Output: 

Ds\Stack Object
(
    [0] => 5.5
    [1] => 10
    [2] => GfG
    [3] => to
    [4] => Welcome
)

Reference: https://www.php.net/manual/en/ds-stack.push.php