Syntax:public DsDeque::count (void): int
Parameters: this function takes no parameters.
Returned value:this function returns the number of elements in Deque.The following programs illustrate the
Ds / function Deque::count()in PHP:
Program 1: < ? php
// Declare deque $deck = new DsDeque ([1, 2, 3, 4, 5, 6]); echo ( " Elements in the Deque " );
// Show Deque elements print_r ( $deck ); echo ( " Number of elements in the Deque: " ); print_r ( $deck -> count ());
?> Exit:Elements in the Deque DsDeque Object ([0] = > 1 [1] = > 2 [2] = > 3 [3] = > 4 [4] = > 5 [5] = > 6) Number of elements in the Deque: 6
Program 2:
// Declare deque $deck = new DsDeque ([ "engineer" , "for" , "engineer" ]); echo ( " Elements in the Deque " );
// Show Deque elements print_r ( $deck ); echo ( " Number of elements in the Deque: " ); print_r ( $deck -> count ());
?> Exit:Elements in the Deque DsDeque Object ([0] = > engineer [1] = > for [2] = > engineer) Number of elements in the Deque: 3
Link: http://php.net/manual/en/ds-deque.count.php
