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