shell_exec does not run in the background, any other solution?

Question

i'm using php in apache on CentOS. i'm need to serve users, that they can delete big files by click. trying to use shell_exec. but its not run in the background. it runs and make the user wait.

my command :

$D_command="rm -rf videos/'$Mdelete'";

shell_exec($D_command);

thanks!

Answer 1

ass & at the end of the command.

$D_command="nohup rm -rf videos/'$Mdelete' > /log/deletedfile.log 2>&1 &";

Answer 2

$PID = shell_exec("nohup $Command 2> /dev/null & echo $!");

http://php.net/manual/en/function.shell-exec.php