<?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();
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Value for `_results` contains invalid data `array`