PHP | Ds\Set allocate() Function
The Ds\Set::allocate() function is an inbuilt function in PHP which is used to allocate memory for required capacity.
Syntax:
void public Ds\Set::allocate( $capacity )
Parameters: This function accepts single parameter $capacity which holds the value of capacity to be allocated. Capacity always rounded in powers of 2.
Return value: This function does not return any values.
Below programs illustrate the Ds\Set::allocate() function in PHP:
Program 1:
<?php
$set = new \Ds\Set();
echo ( "Allocated Space is: " );
var_dump( $set ->capacity());
$set ->allocate(50);
echo ( "Allocated space is: " );
var_dump( $set ->capacity());
?>
|
Output:
Allocated Space is: int(8)
Allocated space is: int(64)
Program 2:
<?php
$set = new \Ds\Set();
echo ( "Allocated Space is: " );
var_dump( $set ->capacity());
$set ->allocate(5);
echo ( "Allocated space is: " );
var_dump( $set ->capacity());
echo ( "Allocated space is: " );
$set ->allocate(120);
var_dump( $set ->capacity());
?>
|
Output:
Allocated Space is: int(8)
Allocated space is: int(8)
Allocated space is: int(128)
Reference: http://php.net/manual/en/ds-set.allocate.php
Last Updated :
22 Aug, 2019
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