Php – way to use shell_exec without waiting for the command to complete

PHPshell

I have a process intensive task that I would like to run in the background.

The user clicks on a page, the PHP script runs, and finally, based on some conditions, if required, then it has to run a shell script, E.G.:

shell_exec('php measurePerformance.php 47 844 email@yahoo.com');

Currently I use shell_exec, but this requires the script to wait for an output. Is there any way to execute the command I want without waiting for it to complete?

Best Answer

How about adding.

"> /dev/null 2>/dev/null &"

shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');

Note this also gets rid of the stdio and stderr.

Related Solutions

Bash – How to specify the private SSH-key to use when executing shell command on Git

None of these solutions worked for me.

Instead, I elaborate on @Martin v. Löwis 's mention of setting a config file for SSH.

SSH will look for the user's ~/.ssh/config file. I have mine setup as:

Host gitserv
    Hostname remote.server.com
    IdentityFile ~/.ssh/id_rsa.github
    IdentitiesOnly yes # see NOTES below

And I add a remote git repository:

git remote add origin git@gitserv:myrepo.git

And then git commands work normally for me.

git push -v origin master

NOTES

The IdentitiesOnly yes is required to prevent the SSH default behavior of sending the identity file matching the default filename for each protocol. If you have a file named ~/.ssh/id_rsa that will get tried BEFORE your ~/.ssh/id_rsa.github without this option.

References

Php – execute bash script from php without waiting

This has to work:

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

Best Answer

Related Solutions

Bash – How to specify the private SSH-key to use when executing shell command on Git

Php – execute bash script from php without waiting

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