PHP | Ds\Vector filter() Function

PHP | Ds\Vector capacity() Function

Last Updated : 22 Aug, 2019

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

Syntax:

int public Ds\Vector::capacity( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns the current capacity of vector.

Below programs illustrate the Ds\Vector::capacity() function in PHP:

Program 1:

<?php 
  
// Declare a vector 
$vector = new \Ds\Vector(); 
  
// Use capacity() function to  
// find the vector capacity  
// and display it 
var_dump($vector->capacity()); 
  
// Use push() function to add  
// vector element 
$vector->push(...range(1, 20)); 
  
// Display the vector capacity 
var_dump($vector->capacity()); 
  
?>  

Output:

int(8)
int(20)

Program 2:

<?php 
  
// Declare a vector 
$vector = new \Ds\Vector(); 
  
// Use capacity() function to  
// find the vector capacity  
// and display it 
var_dump($vector->capacity()); 
  
// Use push() function to add  
// vector element 
$vector->push(...range(1, 100)); 
  
// Display the vector capacity 
var_dump($vector->capacity()); 
  
?>  

Output:

int(8)
int(100)

Reference: http://php.net/manual/en/ds-vector.capacity.php

PHP | Ds\Vector filter() Function

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