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PHP Ds / PriorityQueue count () Function

Syntax :
int public DsPriorityQueue::copy (void)
Parameters: this function takes no parameters.Return value:this function calculates the number of items present in the PriorityQueue instance and returns the number.The programs below illustrate function Ds / PriorityQueue::count()in PHP:Program 1:  
// Declare a new PriorityQueue $pq = new DsPriorityQueue();  
// Add items to PriorityQueue $pq -> push ( "One" , 1); $pq -> push ( "Two" , 2); $pq -> push ( "Three" , 3);  
// Count the number of items
// in this PriorityQueue print_r ( $pq -> count ());  
?>
Exit:
3
Program 2:  
// Declare a new PriorityQueue $pq = new DsPriorityQueue();  
// Add items to PriorityQueue $pq -> push ( "Geeks" , 1); $pq -> push ( "for" , 2); $pq -> push ( "Geeks" , 3);  
// Count the number of items
// in this PriorityQueue print_r ( $pq -> count ());  
?>
Exit:
3
Link: http: // php. net / manual / en / ds-priorityqueue.count.php

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