PHP | DsSequence capacity() 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

<?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

<?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 | DsSequence capacity() Function

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