pcntl_signal_dispatch
PHP function
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(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Calls signal handlers for pending signals
Description
pcntl_signal_dispatch(): bool
The pcntl_signal_dispatch() function calls the signal handlers installed by pcntl_signal() for each pending signal.
Parameters Parameters
Return Values
Success
Examples
pcntl_signal_dispatch() example
php
<?php
echo "Installing signal handler...\n";
pcntl_signal(SIGHUP, function($signo) {
echo "signal handler called\n";
});
echo "Generating signal SIGHUP to self...\n";
posix_kill(posix_getpid(), SIGHUP);
echo "Dispatching...\n";
pcntl_signal_dispatch();
echo "Done\n";
?>The above example will output something similar to:
output
Installing signal handler...
Generating signal SIGHUP to self...
Dispatching...
signal handler called
Done