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<?php namespace ns1 { class JsonDumpTransformer{}; }; namespace ns2 { class SingleElementTransformer{}; }; namespace { $lookup = [ 't-JsonDump' => \ns1\JsonDumpTransformer::class, 't-SingleElement' => \ns2\SingleElementTransformer::class, ]; $key = 't-SingleElement'; $class = $lookup[$key]; // Instantiate a object of type \ns1\JsonDumpTransformer #$object = ???; }
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