(PECL ds >= 1.0.0)
Ds\Deque::join — Joins all values together as a string
public Ds\Deque::join ([ string $glue ] ) : string
Joins all values together as a string using an optional separator between each value.
glue
An optional string to separate each value.
All values of the deque joined together as a string.
Example #1 Ds\Deque::join() example using a separator string
<?php
$deque = new \Ds\Deque(["a", "b", "c", 1, 2, 3]);
var_dump($deque->join("|"));
?> The above example will output something similar to:
string(11) "a|b|c|1|2|3"
Example #2 Ds\Deque::join() example without a separator string
<?php $deque = new \Ds\Deque(["a", "b", "c", 1, 2, 3]); var_dump($deque->join()); ?>
The above example will output something similar to:
string(11) "abc123"
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https://www.php.net/manual/en/ds-deque.join.php