PHP | Ds\Set capacity() Function

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

int public Ds\Set::capacity( void )

Parameter: This function does not accepts any parameter. Return value: This function returns the current capacity of set. Below programs illustrate the Ds\Set::capacity() function in PHP: Program 1: php

<?php 

// Declare an empty set 
$set = new \Ds\Set();

echo("Default size of Set: "); 

// Display the current capacity
var_dump($set->capacity()); 

// Allocating space for 50 values
$set->allocate(50); 

echo("Allocated size of Set: "); 

// Display the current capacity
var_dump($set->capacity()); 

?> 

Program 2: php

<?php 

// Declare a set
$set = new \Ds\Set([1, 2, 3, 4, 5, 6]); 

echo("Elements of Set\n"); 

// Display the Set elements 
var_dump($set); 

echo("\nCapacity of Set: "); 

// Display the capacity of Set 
var_dump($set->capacity()); 

?> 

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