PHP | DsDeque join() Function

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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