Online PHP editor | output for AP62m

@ 2013-11-11T10:39:09Z

<?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 ImmutableCounter();

$counter = $counter->count()->count()->count();

echo $counter->getCount();

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 3
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 3

preferences:dark modelive preview