Merge pull request #149 from connerbw/patch-1

Avoid throwing a notice about `strpos(): Empty needle` when going through include paths

src/IterableCodeExtractor.php

@@ -176,7 +176,7 @@ protected static function containsMatchingChildren( SplFileInfo $dir, array $mat
 			// Or the start of the matcher until the first wildcard matches the start of the path.
 			if (
 				( '' !== $root_relative_path && 0 === strpos( $base, $root_relative_path ) ) ||
-				0 === strpos( $root_relative_path, $base )
+				( '' !== $base && 0 === strpos( $root_relative_path, $base ) )
 			) {
 				return true;
 			}