Ds\Deque::shift
Ds\Deque::shift
(PECL ds >= 1.0.0)
Ds\Deque::shift — Removes and returns the first value.
Description
public mixed Ds\Deque::shift ( void )
Removes and returns the first value.
Parameters
This function has no parameters.
Return Values
The first value, which was removed.
Errors/Exceptions
UnderflowException if empty.
Examples
Example #1 Ds\Deque::shift() example
<?php $deque = new \Ds\Deque(["a", "b", "c"]); var_dump($deque->shift()); var_dump($deque->shift()); var_dump($deque->shift()); ?>
The above example will output something similar to:
string(1) "a" string(1) "b" string(1) "c"
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/ds-deque.shift.php
