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<?php //require_once __DIR__ . '/autoload.php'; set_exception_handler(function (\Throwable $e) { new Aaalaksjas(); }); function foo(string $key): ?string { throw new \Exception('asdas'); } $validKeys = array_keys( array_filter( [ 'a' => 'b', ], fn (string $signature, string $key) => true, ARRAY_FILTER_USE_BOTH, ), ); $result = array_filter( array_combine( $validKeys, array_map(foo(...), $validKeys), ), );
Output for git.master, git.master_jit, rfc.property-hooks

Process exited with code 139.

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