return EasyPdf instance for setHeader and setFooter methods

CHANGELOG.md

@@ -3,6 +3,9 @@ All notable changes to `easy-pdf` will be documented in this file.
 
 ## [Unreleased]
 
+## 1.2.1 - 2020-07-09
+- Now `setHeader()` and `setFooter()` methods returns EasyPdf instance.
+
 ## 1.2.0 - 2020-06-15
 - `reset()` method added for creating new tcpdf instance.
 

README.md

@@ -133,6 +133,15 @@ $pdf = EasyPdf::reset()
     ->loadHtml($html) // each load html creates a new page
     ->content(); // return pdf content as a string
 ```
+
+### Pdf Header and Setter
+After using `reset()` method for creating new Tcpdf instance for each page, automatically header line added to Pdf. Whether you want or not you can use `setHeader' for print header or `setFooter` for print footer content.
+
+```php
+$pdf = EasyPdf::reset()
+    ->setHeader(false);
+```
+
 ### Testing
 
 ``` bash

src/EasyPdf.php

@@ -234,6 +234,7 @@ public function addBarcode($code, $x, $y, $width, $height, $position = 'N')
      * Set Tcpdf print header.
      *
      * @param null $header
+     * @return EasyPdf
      */
     public function setHeader($header = null)
     {
@@ -242,12 +243,15 @@ public function setHeader($header = null)
         }
 
         $this->pdf->setPrintHeader($this->header);
+
+        return $this;
     }
 
     /**
      * Set Tcpdf print footer.
      *
      * @param null $footer
+     * @return EasyPdf
      */
     public function setFooter($footer = null)
     {
@@ -256,6 +260,8 @@ public function setFooter($footer = null)
         }
 
         $this->pdf->setPrintFooter($this->footer);
+
+        return $this;
     }
 
     /**
@@ -321,6 +327,7 @@ public static function merge(array $files)
      *
      * @param string $path
      * @return Parser
+     * @throws Exceptions\UnableToOpen
      */
     public static function parser(string $path): Parser
     {