Please wait while we load your page...

PasswordSentry

Latest Version [8.00202205221] Last Updated [May-22-2022]

Tools

PHP Manual [Ds\Deque

Protect Your Website Today


PHP Manual || Deque

(PECL ds >= 1.0.0)

Ds\Deque::firstReturns the first value in the deque

Description

public Ds\Deque::first ( void ) : mixed

Returns the first value in the deque.

Parameters

This function has no parameters.

Return Values

The first value in the deque.

Errors/Exceptions

UnderflowException if empty.

Examples

Example #1 Ds\Deque::first() example

<?php
$deque 
= new \Ds\Deque([123]);
var_dump($deque->first());
?>

The above example will output something similar to:

int(1)


PHP Manual || Deque