CLI中的PHP SIGTERM

I'm running php scripts from CLI, and i'd like to execute a function when script stopped with ctrl + c. I tried this:

<?php

declare(ticks = 1);

function sigint() {
    echo 'This is the end';
    exit;
}

pcntl_signal(SIGTERM, 'sigint');

$i = 1;

do {

    echo $i++ . ' ';

    sleep(1);

} while (TRUE);

but it doesn't works. How can i do this?

When attaching the handler in pcntl_signal, use SIGINT instead of SIGTERM