PHP | Ds\Set join() Function

Last Updated : 16 Aug, 2019

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

<?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

<?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"

Reference: https://www.php.net/manual/en/ds-set.join.php

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