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PHP | Ds\Map capacity() Function

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The Ds\Map::capacity() function is an inbuilt function in PHP, which is used to return the current capacity of the map. Syntax:
int public Ds\Map::capacity( void )
Parameter: This function does not accept any parameter. Return value: This function returns the current capacity of map. Below program illustrates the Ds\Map::capacity() function in PHP: Program:
<?php 
  
// Declare a map 
$map = new \Ds\Map(); 
  
// Use capacity() function 
var_dump($map->capacity()); 
  
// Creating a Map 
$map = new \Ds\Map(["1" => "Geeks",  
            "2" => "for", "3" => "Geeks"]); 
  
// Use capacity() function 
var_dump($map->capacity());
  
?> 

                    
Output:
int(8)
int(8)
Reference: https://www.php.net/manual/en/ds-map.capacity.php

Last Updated : 20 Aug, 2019
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