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PHP | Ds\Sequence capacity() Function
  • Last Updated : 21 Aug, 2019

The Ds\Sequence::capacity() function is an inbuilt function in PHP which is used to returns the current capacity of sequence.

Syntax:

int abstract public Ds\Sequence::capacity ( void )

Parameter: This function does not accepts any parameter.

Return value: This function returns the current capacity of sequence.

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



Program 1:




<?php
  
// Declare a sequence
$seq = new \Ds\Vector();
  
// Use capacity() function
var_dump($seq->capacity());
  
// Push element in sequence
$seq->push(...range(1, 100));
  
// Use capacity() function
var_dump($seq->capacity());
  
// Pop element in sequence
$seq->pop();
  
// Use capacity() function
var_dump($seq->capacity());
  
?>
Output:
int(8)
int(100)
int(100)

Program 2:




<?php
  
// Declare a sequence
$seq = new \Ds\Vector();
  
// Push element in sequence
$seq->push(...range(1, 50));
  
// Use capacity() function
var_dump($seq->capacity());
  
// Push element in sequence
$seq->push(...range(1, 50));
  
// Use capacity() function
var_dump($seq->capacity());
  
?>
Output:
int(50)
int(100)

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

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