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Home/ Questions/Q 6720801
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T09:15:17+00:00 2026-05-26T09:15:17+00:00

I need to be able to tell the difference between a read/write error, and

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I need to be able to tell the difference between a read/write error, and an error produced because the developer tried to do something wrong.

An example would be apc_add().

I want to be able to tell the difference from when APC actually had a problem writing to the cache (like no memory left), and when the developer tried to re-use an existing cache key.

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  1. Editorial Team
    Editorial Team
    2026-05-26T09:15:17+00:00Added an answer on May 26, 2026 at 9:15 am

    Neither one of the errors you’re describing exists — if the cache is “full”, APC will automatically evict an old entry, and if the cache key has already been set, APC will overwrite the original entry.

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