3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface Counter { /** @return self */ public function count(); /** @return int */ public function getCount(); } class FluentCounter implements Counter { private $count = 0; public function count() { $this->count += 1; return $this; } public function getCount() { return $this->count; } } $counter = new FluentCounter(); echo $counter->count()->count()->count()->getCount(); echo PHP_EOL; echo $counter->count()->count()->count()->getCount();
based on l5rr0
Output for 5.0.2 - 7.2.0
3 6
Output for 5.0.0 - 5.0.1
3 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/cWVJ3 on line 31 PHP_EOL6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/cWVJ3 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/cWVJ3 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/cWVJ3 on line 2
Process exited with code 255.