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I have 55 php files that I would like to run simultaneously from the command line. Right now, I am running them in multiple CLI windows using the code:

php Script1.php

I would like to be able to call one single php file that would execute all 55 php files simultaneously. I have been reading about how to make the command line not wait for the output, but I can't seem to make it work.

This thread: How to run multiple PHP scripts from CLI

suggests putting an & at the end of the command to run the command in the background, but using the xampp CLI this doesn't seem to do anything.

Any ideas greatly appreciated.

Brian

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    What operating system are you running? When you refer to the "xampp CLI", is this basically a DOS prompt running in Windows? Also, could you provide some sample output -- basically copy and paste the command-line, showing the prompts, and what you've typed (and gotten in response)? Commented Jul 5, 2011 at 3:52
  • It's likely possible to run php Script*.php. Commented Jul 5, 2011 at 3:52
  • The & command is specific to Unix/Linux. On windows you might have a chance with start command. Commented Jul 5, 2011 at 5:41
  • @zneak: no. The php CLI interpreter will only run the first php file passed to it on the command line. Although some programs (e.g. vim) will process each argument - it does so serially, not in parallel. Similar for xargs. Commented Jul 5, 2011 at 8:43
  • @symcbean, I missed the simultaneous part. Commented Jul 5, 2011 at 15:13

3 Answers 3

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By mentioning XAMPP, I assume you are on windows. I think what you need is the start command. You probably need start php Script1.php. For more info, do a

start /?|more
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Linux

Apart from adding a &, you also need to redirect output to somewhere - otherwise your php process waits until the other process finished, because there could be more output:

exec('/path/to/program & > /dev/null 2>&1')
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Thanks, this will help when I go to my production server, but I don't think it works under xampp (windows).
does it have a different effect if we put the & at the end of the command?
try it, then tell us.
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You could use the php forking mechanism. Read about it here: http://php.net/manual/en/function.pcntl-fork.php

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Looked into it, but the solution below was a little easier and did what I needed. Thanks.

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