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phpinternalsbook / PHP-Internals-Book

PHP Internals Book
http://www.phpinternalsbook.com/
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Add explanation about FCI/FCC and how to use #135

Closed Girgias closed 2 years ago

Girgias commented 2 years ago

Starting to get frustrated to relearn this part every time I'm dealing with them.

Hopefully this is correct, even if the wording is kinda crap.

morrisonlevi commented 2 years ago

Probably worth noting somewhere that there used to be an initialized field before PHP 7.2 or 7.3 ish (I'm sure it's called out in UPGRADING.INTERNALS).

Girgias commented 2 years ago

TIL, but indeed 7.3: https://github.com/php/php-src/blob/PHP-7.3/UPGRADING.INTERNALS#L112 (which had a huge amount of internal changes ooooh boooi)