(PECL ds >= 1.0.0)
Ds\Set::first — Returns the first value in the set
Returns the first value in the set.
This function has no parameters.
The first value in the set.
UnderflowException if empty.
Example #1 Ds\Set::first() example
<?php
$set = new \Ds\Set([1, 2, 3]);
var_dump($set->first());
?>
The above example will output something similar to:
int(1)