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[RFC] Partial Function Application #6898

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@krakjoe krakjoe commented Apr 22, 2021

@krakjoe krakjoe added the RFC label Apr 22, 2021
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nikic commented May 12, 2021

I'm missing a test for __call/__callStatic trampolines.

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ZVAL_PTR(&partial->This, Z_OBJCE(call->This));

GC_ADD_FLAGS(Z_OBJ(call->This), IS_OBJ_DESTRUCTOR_CALLED);
OBJ_RELEASE(Z_OBJ(call->This));
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So for the new Foo(?) case, we first create an object, then destroy it and then if the partial is invoked, create another object.

This is non-great, though I'm not sure just how non-great it is. In conjunction with https://wiki.php.net/rfc/new_in_initializers it could mean that property default values get instantiated and immediately dropped again (though arguably that's an issue with that RFC).

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If we have space for a flag, we could use IS_OBJ_CONSTRUCTOR_CALLED here and use the initial object ...

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@krakjoe krakjoe closed this May 19, 2021
@krakjoe krakjoe reopened this May 28, 2021
@krakjoe krakjoe marked this pull request as draft May 28, 2021 08:52
@krakjoe krakjoe force-pushed the partials branch 2 times, most recently from d264f87 to 61e7f1e Compare May 29, 2021 16:24
@krakjoe krakjoe marked this pull request as ready for review May 29, 2021 16:58
@krakjoe krakjoe force-pushed the partials branch 3 times, most recently from 11123b8 to 286e16f Compare May 29, 2021 20:55
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Comment on lines +1326 to +1328
}
ZEND_ASSERT(0);
return -1;
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Indentation: mix of tabs and spaces.

@faizanakram99
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We lost :(

@krakjoe krakjoe closed this Jul 1, 2021
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POPSuL commented Jul 1, 2021

What's next? Will there be an alternative from Nikita, or your collaboration?

@jurchiks
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Damn shame, it looks to me like a very useful feature to have.

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