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PHP Ds / Set join () function

Syntax:
string public DsSet::join ([string $glue])
Parameters :This function takes one parameter, $glue,which is optional. Used to separate a set element.Return value:this function returns a string.The following programs illustrate the Ds / Set::join() functionin PHP:Program 1:  
// Create a new set $set = new DsSet ([ "G" , "E" , "E" , " K " , " S " , 1, 2, 3, 4]);  
// Use the join() function and
// display the string var_dump ( $set -> join());  
?>
Exit:
string (8 ) "GEKS1234"
Program 2:  
// Create a new set $set = new DsSet ([ "G" , "E" , "E" , "K" , "S" , 1, 2, 3, 4]);  
// Use the join() function and
// display a split line
// semicolon var_dump ( $set -> join ( " , " ));  
// Create a new set $set = new DsSet ([1, 2, 3, "g" , " e " ]);  
// Use the join() function var_dump ( $set -> join ( "|" ));  
?>
Exit:
string (22 ) "G, E, K, S, 1, 2, 3, 4" string (9) "1 | 2 | 3 | g | e"
Link: https://www.php.net/manual/en/ds-set.join.php

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