converting using ffmpeg in background [duplicate] - php

This question already has answers here:
Closed 11 years ago.
Possible Duplicate:
Asynchronous shell exec in PHP
i'm witing a php script which convert video into FLV.when the converting is in progress the user has to wait for completion of converting but What I want to do is when the converting is in process the script continue the next lines after shell_exec .How should I do that?
Thanks

As Jared said, try looking at Asynchronous shell exec in PHP

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How can I download php file with source? [duplicate]

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Is it possible to download PHP script from a web page with wget?
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This is my demo url
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Simple answer, no. You cant download PHP Source Code without access to the host.

Can we make EXE equivalent for PHP code so that the code can be protected? [duplicate]

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Not sure if this has been discussed before.
I was looking for a solution that can protect the PHP code.
So even if I put the code on my client's server if they decide to put another developer on it or try to resell my code they should not be able to do so.
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The .exe versions of desktop application thingy is something I am looking for, but for PHP.
There are options to "compile" code like phpcompiler also read another thread about this on stackoverflow

How can I test what is slowing down my php code? [duplicate]

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Possible Duplicate:
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This question already has answers here:
Closed 11 years ago.
Possible Duplicate:
php execute a background process
I need to get some info from the user, send them some text back and process the data in the background, so after sending the text connectionwith browser should be closed and then the data processed.
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Some sections of their documentation you might be interested in:
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How to make PHP application working multi-threaded? [duplicate]

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Closed 11 years ago.
Possible Duplicate:
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http://www.php.net/manual/en/function.pcntl-fork.php

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