Syntax:public DsDeque::clear (void): void
Parameters: this function takes no parameters.
Return value:this function does not return any value.The following programs illustrate the
Ds / Deque function::clear()in PHP:
Program 1:
// Declare the default size deque
$deck
=
new
DsDeque ([1, 2, 3, 4, 5, 6]);
echo
(
" Elements in the deck: "
);
// Show Deque elements
print_r (
$deck
);
// Use the clear() function to clear the deque
$deck
-> clear();
// Show deck
print_r (
$deck
);
?>
Exit:Elements in the deck: DsDeque Object ([0] = > 1 [1] = > 2 [2] = > 3 [3] = > 4 [4] = > 5 [5] = > 6) DsDeque Object()
Program 2:
// Declare the default size deque
$deck
=
new
DsDeque ([
"engineer"
,
"for"
,
"engineer"
]);
echo
(
" Elements in the Deque "
);
// Show Deque elements
print_r (
$deck
);
// Use the clear() function to clear the deque
$deck
-> clear();
echo
(
" Alter clearing the elements "
);
// Show deck
print_r (
$deck
);
?>
Exit:Elements in the Deque DsDeque Object ([0] = > engineer [1] = > for [2] = > engineer) Alter clearing the elements DsDeque Object()
Link: http://php.net/manual/en/ds-deque.clear.php