Syntax:void public DsPriorityQueue::clear (void)
Parameters: This function takes no parameters.Returned value:This function does not return any value.The following programs illustrate the Ds / Queue function: : clear()in PHP:Program 1:
// Declare a new queue $q = new DsQueue();
// Add items to the queue $q -> push ( "One" ); $q -> push ( "Two" ); $q -> push ( "Three" ); echo " Initial Queue: " ; // Show queue print_r ( $q );
// clear the queue $q -> clear(); echo " Queue after clearing: " ; print_r ( $q );
?> Exit:Initial Queue: DsQueue Object ([0] = > One [1] = > Two [2] = > Three) Queue after clearing: DsQueue Object()
Program 2:
// Declare a new queue $q = new DsQueue();
// Add items to the queue $q -> push ( "Geeks" ); $q -> push ( "for" ); $q -> push ( "Geeks" ); echo " Initial Queue: " ; // Show queue print_r ( $q );
// clear the queue $q -> clear(); echo " Queue after clearing: " ; print_r ( $q );
?> Exit:Initial Queue: DsQueue Object ([0] = > Geeks [1] = > for [2] = > Geeks) Queue after clearing: DsQueue Object()
Link: http://php.net/manual/en/ds-queue.clear.php
