3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?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 = ???; }
based on YZZYt
Output for 7.0.0 - 7.2.6
Output for 5.3.23 - 5.6.21
Fatal error: No code may exist outside of namespace {} in /in/60rlq on line 4
Process exited with code 255.