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<?php class EchoingCounter implements Counter { private $counter; public function __construct(Counter $counter) { $this->counter = $counter; } public function count() { echo __METHOD__ . "\n"; return $this->counter->count(); } public function getCount() { echo __METHOD__ . "\n"; return $this->counter->getCount(); } } $counter = new EchoingCounter(new FluentCounter()); $counter = $counter->count()->count()->count()->count(); echo $counter->getCount();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Interface "Counter" not found in /in/EsnCF:3 Stack trace: #0 {main} thrown in /in/EsnCF on line 3
Process exited with code 255.

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