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<?php namespace Foo; set_error_handler(function () { throw new \Exception(); }); function func(array &$ref){} call_user_func('func', 'not_an_array_variable');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, function "func" not found or invalid function name in /in/e3h8C:10 Stack trace: #0 /in/e3h8C(10): call_user_func('func', 'not_an_array_va...') #1 {main} thrown in /in/e3h8C on line 10
Process exited with code 255.

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