php change script while is running

Question

I have a php script that I'm running from command line (e.g php test.php &). I would like to know if the execution is "flushed" automatically when I change some values in the script (using vim) while the script is running or if the script is somehow "cached" in the php engine when it starts running.

Modifying an already parsed script during execution has no effect on the running process. — netcoder
– netcoder, Commented Jan 29, 2011 at 17:18

nicolaskruchten · Accepted Answer · 2011-01-29 17:19:31Z

16

While the script is running you can modify the file but it will not have any effect. The script is loaded once at execution-time.

answered Jan 29, 2011 at 17:19

nicolaskruchten

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Comments

Martin MaKr Kratochvíl · Accepted Answer · 2022-01-09 20:42:20Z

1

include ($file) is included in time of execution.

If you have code for example

$i = 0;
while (true) {
 include('subprog.php');
 sleep(10);
 $i++;
}

and change subprog.php beetwen iteration, next iteration will use new subprog.php content.

answered Jan 9, 2022 at 20:42

Martin MaKr Kratochvíl

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2 Comments

bumperbox Over a year ago

I don't think that will work, including the same file twice will just cause clashes with function and class names, etc

Martin MaKr Kratochvíl Over a year ago

You have to deal with it, beware of function in this periodicaly included piece of code and other duplicated definition .. Dynamicaly included subprog is not good idea, but could solve sometimes thinks directly and easily.

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