public static function findHereOrInParent($frag, $start, SystemLocals $locals = null)
{
if (!is_string($frag)) {
throw new \InvalidArgumentException('Frag must be a string');
}
if (!is_string($start)) {
throw new \InvalidArgumentException('Start must be a string');
}
if (empty($locals)) {
$locals = new SystemLocals();
}
$start = self::homeify($start, $locals);
if (!file_exists($start)) {
throw new \InvalidArgumentException('Start must be a valid path to a file or directory');
}
if (!is_dir($start)) {
$start = dirname($start);
}
$dir = PathUtils::untrailslashit($start);
$frag = PathUtils::unleadslashit($frag);
while (!file_exists($dir . DIRECTORY_SEPARATOR . $frag) && '/' !== $dir) {
$dir = dirname($dir);
}
return $dir == '/' ? false : realpath($dir . DIRECTORY_SEPARATOR . $frag);
}
/**
* @test
* it should allow unleadslash paths
* @dataProvider unleadslashPaths
*/
public function it_should_allow_unleadslash_paths($path, $expected)
{
$this->assertEquals($expected, PathUtils::unleadslashit($path));
}
