PHP Ds / Deque clear () function

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

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