<?php $signum = 15; var_dump( current( array_flip( array_filter( get_defined_constants(true)['pcntl'], fn($value, $name) => preg_match("/^SIG[A-Z]/", $name) && $value == $signum, ARRAY_FILTER_USE_BOTH ) ) ) );
You have javascript disabled. You will not be able to edit any code.