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Asked: 2026-05-12T08:01:40+00:00

I was just wondering how the PHP is behaving in the background. Say I

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I was just wondering how the PHP is behaving in the background.

Say I have a PHP which creates an array and populates it with names. 

$names = Array("Anna", "Jackson" .... "Owen");

Then I have a input field which will send the value on every keypress to the PHP, to check for names containing the value.

Will the array be created on every call? I also sort the array before looping through it, so the output will be alphabetical. Will this take up time in the AJAX call?

If the answer is yes, is there some way to go around that, so the array is ready to be looped through on every call?

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1 Answer

  1. Editorial Team

    There’s no difference between an AJAX request and a “normal” http request. So yes, a new php instance will be created for each request. If the time it takes to parse the script(s) is a problem you can use something like APC.
    If those arrays are created at runtime and the time this takes is a problem you might store and share the values between requests in something like memcache

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