execute bash script from php without waiting

I execute a bash script from php with shell_exec. But the php script waits until the shell s开发者_开发百科cript is finished.

Can I somehow call the bash script without waiting. Both:

exec
shell_exec

are waiting until the bash script is finished. I'm running linux btw.

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This has to work:

exec('/your/command /dev/null 2>/dev/null &');

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when calling your bash script append & so it will run in the background that's the easiest way if you don't need any output

shell_exec("/bin/bash /path/to/script.sh &");