PHP | DsDeque capacity() Function

PHP | Ds\Stack capacity() Function

Last Updated : 30 Jul, 2019

The Ds\Stack::capacity() function is an inbuilt function in PHP which is used to return the current capacity of the stack. Syntax:

int Ds\Stack::capacity( void )

Parameters: This function does not accept any parameters. Return Value: This function returns the current capacity of the stack. Below programs illustrate the Ds\Stack::capacity() function in PHP: Program 1:

php

<?php 

// Declare new Stack 
$stack = new \Ds\Stack(); 

// Use capacity() function to check
// the current capacity 
var_dump($stack->capacity()); 

?>

Output:

int(8)

Program 2:

php

<?php 

// Declare new Stack 
$stack = new \Ds\Stack(); 

echo("Current Capacity is: "); 

// Use capacity() function 
// to check the current capacity 
var_dump($stack->capacity()); 

echo("Current Capacity is: "); 

// Use allocate() function to 
// allocate capacity 
$stack->allocate(5); 

// Display the allocated vector 
// capacity 
var_dump($stack->capacity()); 

echo("Current Capacity is: ");

// Use allocate() function to 
// allocate capacity 
$stack->allocate(120); 

// Display the allocated vector 
// capacity 
var_dump($stack->capacity()); 

?>

Output:

Current Capacity is: int(8)
Current Capacity is: int(8)
Current Capacity is: int(120)

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

PHP | DsDeque capacity() Function

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