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Asked: 2026-06-14T13:42:14+00:00

I put $START_TIME = time(); at the beginning of my code, and $END_TIME =

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I put $START_TIME = time(); at the beginning of my code, and $END_TIME = time(); at the end of my code. then I did echo ($END_TIME - $START_TIME); and received a difference of ~ 4.

My question is, how inaccurate is this way of measuring parsing/processing time? and why?

edit: i took out the stupid part of my question 🙂 the rest of the question still stands!

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1 Answer

  1. Editorial Team

    time() is giving you the seconds since the “unix big bang”. What you want is microtime(true) (see documentation here) which gives you the microseconds.

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