Ds\Vector::first
(PECL ds >= 1.0.0)
Ds\Vector::first — Returns the first value in the vector
Parameters
This function has no parameters.
Return Values
The first value in the vector.
Errors/Exceptions
UnderflowException if empty.
Examples
Example #1 Ds\Vector::first() example
<?php
$vector = new \Ds\Vector([1, 2, 3]);
var_dump($vector->first());
?>The above example will output something similar to:
int(1)
add a note
User Contributed Notes
There are no user contributed notes for this page.
