PHP 8.6 array_map gets a faster path for first-class callables
A Tideways video featured on Freek Van der Herten’s blog shows that PHP 8.6 will make array_map faster when the callback is passed as a first-class callable.
FREEK.DEV, July 15, 2026
curated by Charlie
The short post is a useful pointer for developers tracking PHP performance improvements.
Freek Van der Herten’s blog freek.dev published a short post on 15 July 2026 pointing to a Tideways video about an upcoming PHP 8.6 performance improvement.
The video explains that array_map becomes faster when the callback is supplied as a first-class callable. If you want to keep track of PHP performance changes before the next release, the post is a quick pointer to the visual walkthrough.
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