/**
* @param string[] $paths
* @return \Generator
*/
function flatten_input_paths(array $paths)
{
foreach ($paths as $path) {
foreach (recursive_scan(realpath($path)) as $file) {
if (pathinfo($file, PATHINFO_EXTENSION) === 'php') {
(yield $file);
}
}
}
}
/**
* @param string $path
* @param bool $followLinks
* @return \Generator
*/
function recursive_scan($path, $followLinks = false)
{
(yield $path);
if (is_dir($path) && ($followLinks || !is_link($path))) {
foreach (array_diff(scandir($path), ['.', '..']) as $p) {
foreach (recursive_scan($path . DIRECTORY_SEPARATOR . $p, $followLinks) as $p2) {
(yield $p2);
}
}
}
}
