PHP Ds\Queue capacity() Function
The Ds\Queue::capacity() Function in PHP is used to check the current capacity of a Queue instance.
Syntax:
int public Ds\Queue::capacity ( void )
Parameters: This function does not accepts any parameters.
Return Value: This function returns the current capacity of the Queue instance.
Below programs illustrate the Ds\Queue::capacity() function in PHP:
Program 1:
PHP
<?php// Declare new Queue$q = new \Ds\Queue();// Use capacity() function// to check the current capacityvar_dump($q->capacity());?> |
Output:
int(8)
Program 2:
PHP
<?php// Declare new Queue$q = new \Ds\Queue();echo("Current Capacity is: ");// Use capacity() function// to check the current capacityvar_dump($q->capacity());echo("Current Capacity is: ");// Use allocate() function to// allocate capacity$q->allocate(5);// Display the allocated vector// capacityvar_dump($q->capacity());// Use allocate() function to// allocate capacity$q->allocate(120);// Display the allocated vector// capacityvar_dump($q->capacity());?> |
Output:
Current Capacity is: int(8) Current Capacity is: int(8) int(128)
Reference: http://php.net/manual/en/ds-queue.capacity.php
