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PHP Ds / Deque allocate () function

Syntax:
public DsDeque::allocate ($capacity): void
Parameters: This function takes one parameter, $Capacity, which contains the number of values ​​for which space should be allocated.Return value:this function is not returns nothing.The following programs illustrate the Ds / Deque::allocate() function in PHP:Program 1:  
// Declare the Deque of the default size $deq = new DsDeque();  
// Show Deque capacity var_dump ( $deq -> capacity());  
// Allocate space for 50 values ​​
// to the deck $deq -> allocate (50);  
// Show Deque capacity var_dump ( $deq -> capacity());  
?>
Exit:
int (8 ) int (64)
Program 2:  
// Declare the Deque of the default size $deck = new DsDeque();  
// Display the Deque capacity var_dump ( $deck -> capacity());  
// Allocate space for 50 values ​​ // to the deck $deck -> allocate (fifty);  
// Display the Deque capacity var_dump ( $deck -> capacity());  
// Allocate space for 60 values ​​ // to the deck $deck -> allocate (60);  
// Display the Deque capacity var_dump ( $deck -> capacity());  
?>
Exit:
int (8 ) int (64) int (64)
Link: http : //php.net/manual/en/ds-deque.allocate.php

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