Benchmarking Serialization

I was discussing recently with a TYPO3 colleague about performance, specifically caching. Both he and I are working on systems that may involve hundreds or thousands of objects that need to be cached for later use. The objects themselves are fairly small, but there's a large number of them. The data format is only internal, so we don't need anything standardized or parsable by outside systems.

PHP actually has two options for this use case: serialize()/unserialize() and var_export()/require(). But which is better?

Quick, to the benchmark mobile! The results I found were not at all what I expected.

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Larry 21 June 2022 - 2:42pm