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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