Syntax:bool DsDeque::contains ($values)
Parameters: This function accepts one or many $values ‚Äã‚Äã which contain a value to check if the value exists in the deck or not.Returned value:if the value exists in deque, then it returns True, otherwise it returns False.The following programs illustrate the Ds / Deque::contains() function in PHP:Program 1:
// Declare a new Deque $deque = new DsDeque ([ ’G’ , ’e’ , ’e’ , ’ k’ , ’s’ , 5, 2, 7]);
// Use the contains() function to check the elements
// exists in the deck or not var_dump ( $deque -> contains ( ’ G’ )) ; var_dump ( $deque -> contains ( ’ k’ ) ); var_dump ( $deque -> contains ( ’ p’ ) ); var_dump ( $deque -> contains (7)); var_dump ( $deque -> contains ( ’ 5’ ) );
?> Exit:bool (true ) bool (true) bool (false) bool (true) bool (false)
Program 2:
// Declare a new Deque $deque = new DsDeque ([ ’G’ , ’ e’ , ’e’ , ’k’ , ’ s’ , 5 , 2, 7]);
// Use the contains() function to check the elements
// exists in the deck or not var_dump ( $deque -> contains ( ’ G’ , ’e’ )); var_dump ( $deque -> contains ( ’ k’ , ’e’ , 7)); var_dump ( $deque -> contains ( ’ p’ , ’1’ )); var_dump ( $deque -> contains (7, 1)); var_dump ( $deque -> contains ( ’ 5’ , five));
?> Exit:bool (true ) bool (true) bool (false) bool (false) bool (false)
Link:https://www.php.net/manual/en/ds-deque.contains.php
