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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