Bob Majdak Jr wrote:
> 
>  //. all output must be silenced, and task must be
>  //. backgrounded, or else system will not return
>  //. and nothing happens to the main program.
>  system("{$argstr} &> /dev/null &");
system() will suspend the current PHP process until the program launched 
is finished: you'll have two PHP-CLI running in the system.

If this operation is to be done many times, you'll clobber memory with 
unneeded processes.

If you want to replace the current process with a new one, then 
pcntl_exec() should be used.

Regards,

    Bernard

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