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Ds\Vector::first

(PECL ds >= 1.0.0)

Ds\Vector::firstReturns the first value in the vector

Açıklama

public Ds\Vector::first(): mixed

Returns the first value in the vector.

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni yoktur.

Dönen Değerler

The first value in the vector.

Hatalar/İstisnalar

UnderflowException if empty.

Örnekler

Örnek 1 Ds\Vector::first() example

<?php
$vector
= new \Ds\Vector([1, 2, 3]);
var_dump($vector->first());
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

int(1)
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