(PECL ds >= 1.0.0)
Ds\Sequence::shift — Removes and returns the first value
This function has no parameters.
The first value, which was removed.
UnderflowException if empty.
Example #1 Ds\Sequence::shift() example
<?php
$sequence = new \Ds\Vector(["a", "b", "c"]);
var_dump($sequence->shift());
var_dump($sequence->shift());
var_dump($sequence->shift());
?>
The above example will output something similar to:
string(1) "a" string(1) "b" string(1) "c"