The Ds\Deque::join() function is an inbuilt function in PHP which is used to join all values in the Deque as a string. The separator can also be used to join the elements.
Syntax:
public Ds\Deque::join( $glue ) : string
Parameters: This function accepts single parameter $glue which holds the separator to separate Deque elements.
Return Value: This function returns all values of the Deque joined as a string.
Below programs illustrate the Ds\Deque::join() function in PHP:
Program 1:
<?php // Declare a deque $deck = new \Ds\Deque([1, 2, 3, 4, 5, 6]); echo ( "Original Deque\n" ); // Display the Deque elements print_r( $deck ); echo ( "\nString form: " ); // Use join() function to joining // the values in Deque var_dump( $deck ->join( "|" )); ?> |
Original Deque Ds\Deque Object ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 ) String form: string(11) "1|2|3|4|5|6"
Program 2:
<?php // Declare a deque $deck = new \Ds\Deque([ "Geeks" , "for" , "Geeks" ]); echo ( "Original Deque\n" ); // Display the Deque elements print_r( $deck ); echo ( "\nString form: " ); // Use join() function to joining // the values in Deque var_dump( $deck ->join()); ?> |
Original Deque Ds\Deque Object ( [0] => Geeks [1] => for [2] => Geeks ) String form: string(13) "neveropen"
Reference: http://php.net/manual/en/ds-deque.join.php