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Is there a performance / performance function for every PHP function (or for every task)?

I use my own (albeit basic) tests in a linux-based sandbox. However, I would like to find for each function / performance or links for each task or utility for comparison.

Does it exist?

Of course, I did my own conscientious diligence / search and still came up empty-handed.

(I am primarily interested in information related to PHP 5.3)

Many thanks!:)

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reference benchmarking php
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Googling brings up two that I know best:

they do not perform functional tests, although they basically just compare language constructs. I know at least one good site that also checks file I / O, etc., but I forgot the url. I really need a central link repository :)

Update: It looks interesting, now it cannot be deeper, but there seem to be a number of interesting tests.

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You can use the profiler to evaluate which function calls are more expensive.

XDebug can also provide log files that you can later upload to KCacheGrind in order to get a good output from the tree at the time in your code.

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It does not contain any specific times, but it has Big-O for several array_ * functions.

Big-O Feature List for PHP

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