<?php
function gen()
{
yield 1;
}
$gen = gen();
$reflectionGen = new ReflectionGenerator($gen);
echo <<< output
{$reflectionGen->getFunction()->name}
Line: {$reflectionGen->getExecutingLine()}
File: {$reflectionGen->getExecutingFile()}
output;
The above example will output
something similar to:
gen
Line: 5
File: /path/to/file/example.php