Ds\Set::first
Ds\Set::first
(PECL ds >= 1.0.0)
Ds\Set::first — Returns the first value in the set.
Description
public void Ds\Set::first ( void )
Returns the first value in the set.
Parameters
This function has no parameters.
Return Values
The first value in the set.
Errors/Exceptions
UnderflowException if empty.
Examples
Example #1 Ds\Set::first() example
<?php $set = new \Ds\Set([1, 2, 3]); var_dump($set->first()); ?>
The above example will output something similar to:
int(1)
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https://secure.php.net/manual/en/ds-set.first.php
