(PHP 4, PHP 5, PHP 7)
posix_kill — Send a signal to a process
posix_kill ( int $pid , int $sig ) : bool
Send the signal sig
to the process with the process identifier pid
.
pid
The process identifier.
sig
One of the PCNTL signals constants.
Returns true
on success or false
on failure.
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https://www.php.net/manual/en/function.posix-kill.php