Hi,
today I was running into an issue with a function lookup over namespace.
https://3v4l.org/qF7cK fails
https://3v4l.org/evVic works
For me it looks like the function lookup for "is_null" in this case gets
cached on first use
and on second call no check will be done if this function exists in the
current namespace
before looking in the root namespace.
Because PHP is a dynamic language this behavior looks wrong
(unexpected) to me
and also HHVM does handle it as I would expect it.
Thanks,
Marc
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