The Ds\Set::capacity() function is an inbuilt function in PHP which is used to return the capacity of the set.
Syntax:
int public Ds\Set::capacity( void )
Parameter: This function does not accepts any parameter.
Return value: This function returns the current capacity of set.
Below programs illustrate the Ds\Set::capacity() function in PHP:
Program 1:
<?php // Declare an empty set $set = new \Ds\Set(); echo("Default size of Set: "); // Display the current capacity var_dump($set->capacity()); // Allocating space for 50 values $set->allocate(50); echo("Allocated size of Set: "); // Display the current capacity var_dump($set->capacity()); ?> |
Output:
Default size of Set: int(8) Allocated size of Set: int(64)
Program 2:
<?php // Declare a set $set = new \Ds\Set([1, 2, 3, 4, 5, 6]); echo("Elements of Set\n"); // Display the Set elements var_dump($set); echo("\nCapacity of Set: "); // Display the capacity of Set var_dump($set->capacity()); ?> |
Output:
Elements of Set
object(Ds\Set)#1 (6) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
[5]=>
int(6)
}
Capacity of Set: int(8)
Reference: http://php.net/manual/en/ds-set.capacity.php
