Ds\Vector::first

(PECL ds >= 1.0.0)

Ds\Vector::first — Returns the first value in the vector

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

Returns the first value in the vector.

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The first value in the vector.

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UnderflowException if empty.

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

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

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int(1)