I couldn't find explicit confirmation of this, can it be 0?
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2Simple answer, no. ID's start @ 1– Pieter GoosenOct 8, 2015 at 6:55
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Why not check the codex?– mmcglynnJul 25, 2017 at 14:17
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1 Answer
No, post ID can not be 0 in the DB. But the value 0 has a special meaning in the code, indicating the currently handled post (if the context is set up correctly)
answered Oct 8, 2015 at 6:56
