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<?php class Framework { private $version = '0'; final public function setVersion($version) { $this->version = $version; } public function getVersion() { return $this->version; } } class Symfony extends Framework { public function getVersion($version) { $this->version = $version . '@unstable'; } } $fw = new Symfony; $fw->setVersion('3.0'); echo $fw->getVersion();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Declaration of Symfony::getVersion($version) must be compatible with Framework::getVersion() in /in/WhcD1 on line 21
Process exited with code 255.

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