PHP Ds / Vector allocate () function

PHP

Syntax:
void public DsVector::allocate ($capacity)
Parameters: This function takes one parameter $Capacity,which contains the space to be allocated.Note:The capacity will remain the same if this value is less than or equal to the current capacity.Returned value:this function does not return any value.The programs below illustrate the Ds / Vector::allocate function()in PHP:Program 1:  
// Declare a new vector $vector = new DsVector ( ); echo ( " Allocated Space is: " );  
// Using the Capacity() function var_dump ( $vector -> capacity()); echo ( " Allocated space is: " );  
// Use the allocate() function for
// share power $vector -> allocate (50);  
// Show selected vector
// capacity var_dump ( $vector -> capacity());  
?>
Output:
Allocated Space is: int (8) Allocated space is: int (50)
Program 2:  
// Declare a new vector $vector = new DsVector(); echo ( " Allocated Space is: " );  
// Using the Capacity() function var_dump ( $vector -> capacity()); echo ( " Allocated space is: " );  
// Use the allocate() function for
// share power $vector -> allocate (5);  
// Display the capacity of the vector var_dump ( $vector -> capacity());  
// Use the allocate() function for
// share power $vector -> allocate (120);  
// Display the capacity of the vector var_dump ( $vector -> capacity()); ?>
Output:
Allocated Space is: int (8) Allocated space is: int (8) int (120)
Link: http://php.net/manual/en/ds-vector.allocate.php