Why is the function the_title and ACF fields are working without cycle single.php?

Tip the main products in the cycle, the picture header and fields. And then deduce no cycle just a title and the_title price field the_field('price') without specifying the id of the post. And if you click on any product on the single shows, all right, title and price of a specific post. But how can all this work without a loop. I understand that single.php this is the display of the full article, and the cycle was not appropriate but still?
June 14th 19 at 18:30
1 answer
June 14th 19 at 18:32
I understand it works with version 4.8? Previously, the function could display only cycle? And what about the ACF fields? In short, Russian) - toby commented on June 14th 19 at 18:35
it has always worked.

And what about the ACF fields

similarly, it works using global functions and global variables. - bailee_Stant commented on June 14th 19 at 18:38

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