The Ds\Set::join() function is an inbuilt function in PHP which is used to join all values as string.
Syntax:
string public Ds\Set::join ([ string $glue ] )
Parameters: This function accepts single parameter $glue which is optional. It is used to separate the set element.
Return Value: This function returns a string.
Below programs illustrate the Ds\Set::join() function in PHP:
Program 1:
<?php   // Create new set $set = new \Ds\Set(["G", "E", "E",                 "K", "S", 1, 2, 3, 4]);   // Use join() function and // display the string var_dump($set->join());   ?> |
Output:
string(8) "GEKS1234"
Program 2:
<?php   // Create new set $set = new \Ds\Set(["G", "E", "E",                 "K", "S", 1, 2, 3, 4]);   // Use join() function and // display the string separated // with comma var_dump($set->join(", "));   // Create new set $set = new \Ds\Set([1, 2, 3, "g", "e"]);   // Use join() function var_dump($set->join("|"));   ?> |
Output:
string(22) "G, E, K, S, 1, 2, 3, 4" string(9) "1|2|3|g|e"
