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<?php serialize(array( 'a'=>'foo', 'b'=> function ($e) { echo "hi"; } ));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Exception: Serialization of 'Closure' is not allowed in /in/RDLOJ:3 Stack trace: #0 /in/RDLOJ(3): serialize(Array) #1 {main} thrown in /in/RDLOJ on line 3
Process exited with code 255.

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