<?php
interface Counter
{
/** @return self */
public function count();
/** @return int */
public function getCount();
}
class ImmutableCounter implements Counter
{
private $count;
public function __construct($count = 0)
{
$this->count = (int) $count;
}
public function count()
{
return new ImmutableCounter($this->count + 1);
}
public function getCount()
{
return $this->count;
}
}
$counter = new FluentCounter();
echo $counter->count()->count()->count()->getCount();
//echo $counter->getCount();
echo ".";
Fatal error: Uncaught Error: Class "FluentCounter" not found in /in/c32Jf:31
Stack trace:
#0 {main}
thrown in /in/c32Jf on line 31
Process exited with code 255.
Fatal error: Uncaught Error: Class 'FluentCounter' not found in /in/c32Jf:31
Stack trace:
#0 {main}
thrown in /in/c32Jf on line 31
Process exited with code 255.