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<?php class MySpl extends SplFileInfo { public function getExtension() { if (method_exists(parent, 'getExtension')) { echo 'parent', PHP_EOL; return parent::getExtension(); } return end(explode('.', parent::getPathname())); } } foreach (array('foo.bar', 'baz.tar.gz', '/usr/bin/php', 'foo') as $file) { $spl = new MySpl($file); var_dump($spl->getExtension()); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of MySpl::getExtension() should either be compatible with SplFileInfo::getExtension(): string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/1k8nQ on line 5 Fatal error: Uncaught Error: Undefined constant "parent" in /in/1k8nQ:7 Stack trace: #0 /in/1k8nQ(19): MySpl->getExtension() #1 {main} thrown in /in/1k8nQ on line 7
Process exited with code 255.

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