PHP | Ds\Sequence capacity() Function

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:

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<?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());
  
?>

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Output:

int(8)
int(100)
int(100)

Program 2:

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<?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());
  
?>

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Output:

int(50)
int(100)

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




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