Manual do PHP
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# posix_kill

(PHP 3>= 3.0.13, PHP 4 , PHP 5)

posix_kill -- Send a signal to a process

## Description

bool posix_kill ( int pid, int sig )

Send the signal sig to the process with the process identifier pid. Returns `FALSE`, if unable to send the signal, `TRUE` otherwise.

See also the kill(2) manual page of your POSIX system, which contains additional information about negative process identifiers, the special pid 0, the special pid -1, and the signal number 0.

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