hook_entity_load() is documented as passing $entities by value, while core avoids using module_invoke_all() to call it, allowing it to be passed by reference.

Found in #1524730-2: hook_entity_load() needs to be called with module_implements/$function.

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drupal-hook_entity_load.patch552 bytestim.plunkett

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jhodgdon’s picture

jhodgdon
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Status: Needs review » Reviewed & tested by the community

Looks good! I'll get this committed probably tomorrow, when I get back to my main computer. Thanks!

catch’s picture

catch
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Status: Reviewed & tested by the community » Needs work

It should be passed by value though. The entity objects themselves are passed as resources, but we don't want people to be able to actually remove or add items from the array in this hook. We should probably switch back to straight module_invoke_all() when invoking the hook.

tim.plunkett’s picture

tim.plunkett
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From my conversation earlier today with merlinofchaos, I was under the impression that http://drupal.org/project/ers depended on hook_entity_load passing the array by reference, and both it and panelizer document their implementation as such.

merlinofchaos’s picture

merlinofchaos commented

Because Field API is totally broken, ERS actually does, in fact, rely on exactly that ability so that it can control which revision of the entity is in use based upon the context.

tim.plunkett’s picture

tim.plunkett
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Issue summary: View changes
Status: Needs work » Closed (works as designed)

Doesn't matter because of how objects work.

jhodgdon’s picture

jhodgdon
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Status: Closed (works as designed) » Needs work

Um. It's an array being passed by reference/value, not a single object. Arrays do matter whether passed by ref/value, even if objects don't. And I believe #4 implies they would want to load a different revision of the entity and replace what's in the array?

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joachim’s picture

joachim commented

This is possibly made obsolete by #2928888: Add a hook_entity_preload() for modules that need to load a different revision than the default one?

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quietone’s picture

quietone commented
Status: Needs work » Closed (outdated)

The doc block in question here was updated in a later issue, #597236: Add entity caching to core, which has plenty of discussion.

Therefore, closing as outdated. If this is incorrect reopen the issue, by setting the status to 'Active', and add a comment explaining what still needs to be done.

Thanks!