Fix method signature of ShapeFile::getDBFHeader()

Signed-off-by: William Desportes <williamdes@wdes.fr>

Author: williamdes

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+- Fix method signature of ShapeFile::getDBFHeader()
+
 ## [3.0.0] - 2021-02-05
 ### Added
 - Support for PHPUnit 8 and 9

phpstan-baseline.neon

@@ -1,10 +1,5 @@
 parameters:
 	ignoreErrors:
-		-
-			message: "#^Method PhpMyAdmin\\\\ShapeFile\\\\ShapeFile\\:\\:getDBFHeader\\(\\) should return array but returns array\\|null\\.$#"
-			count: 1
-			path: src/ShapeFile.php
-
 		-
 			message: "#^Parameter \\#1 \\$fp of function feof expects resource, resource\\|false given\\.$#"
 			count: 1

src/ShapeFile.php

@@ -273,9 +273,9 @@ public function deleteRecord(int $index): void
     /**
      * Returns array defining fields in DBF file.
      *
-     * @return array see setDBFHeader for more information
+     * @return array|null see setDBFHeader for more information
      */
-    public function getDBFHeader(): array
+    public function getDBFHeader(): ?array
     {
         return $this->dbfHeader;
     }