Merge branch 'MDL-70312' of git://github.com/paulholden/moodle

mod/assign/feedback/editpdf/fpdi/FpdfTpl.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -13,10 +14,8 @@ namespace setasign\Fpdi;
  * Class FpdfTpl
  *
  * This class adds a templating feature to FPDF.
- *
- * @package setasign\Fpdi
  */
-class FpdfTpl extends \Fpdf
+class FpdfTpl extends \FPDF
 {
     use FpdfTplTrait;
 }

mod/assign/feedback/editpdf/fpdi/FpdfTplTrait.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -13,8 +14,6 @@ namespace setasign\Fpdi;
  * Trait FpdfTplTrait
  *
  * This class adds a templating feature to tFPDF.
- *
- * @package setasign\Fpdi
  */
 trait FpdfTplTrait
 {
@@ -61,7 +60,8 @@ trait FpdfTplTrait
 
         $size = $this->_getpagesize($size);
 
-        if ($orientation != $this->CurOrientation
+        if (
+            $orientation != $this->CurOrientation
             || $size[0] != $this->CurPageSize[0]
             || $size[1] != $this->CurPageSize[1]
         ) {
@@ -109,7 +109,7 @@ trait FpdfTplTrait
             unset($x['tpl']);
             \extract($x, EXTR_IF_EXISTS);
             /** @noinspection NotOptimalIfConditionsInspection */
-            /** @noinspection CallableParameterUseCaseInTypeContextInspection */
+            /** @noinspection PhpConditionAlreadyCheckedInspection */
             if (\is_array($x)) {
                 $x = 0;
             }
@@ -266,7 +266,7 @@ trait FpdfTplTrait
      */
     public function endTemplate()
     {
-        if (null === $this->currentTemplateId) {
+        if ($this->currentTemplateId === null) {
             return false;
         }
 
@@ -418,7 +418,11 @@ trait FpdfTplTrait
             $this->templates[$key]['objectNumber'] = $this->n;
 
             $this->_put('<</Type /XObject /Subtype /Form /FormType 1');
-            $this->_put(\sprintf('/BBox[0 0 %.2F %.2F]', $template['width'] * $this->k, $template['height'] * $this->k));
+            $this->_put(\sprintf(
+                '/BBox[0 0 %.2F %.2F]',
+                $template['width'] * $this->k,
+                $template['height'] * $this->k
+            ));
             $this->_put('/Resources 2 0 R'); // default resources dictionary of FPDF
 
             if ($this->compress) {
@@ -463,4 +467,4 @@ trait FpdfTplTrait
             parent::_out($s);
         }
     }
-}
\ No newline at end of file
+}

mod/assign/feedback/editpdf/fpdi/Fpdi.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -18,8 +19,6 @@ use setasign\Fpdi\PdfParser\Type\PdfNull;
  * Class Fpdi
  *
  * This class let you import pages of existing PDF documents into a reusable structure for FPDF.
- *
- * @package setasign\Fpdi
  */
 class Fpdi extends FpdfTpl
 {
@@ -30,7 +29,7 @@ class Fpdi extends FpdfTpl
      *
      * @string
      */
-    const VERSION = '2.2.0';
+    const VERSION = '2.3.5';
 
     protected function _enddoc()
     {
@@ -113,7 +112,6 @@ class Fpdi extends FpdfTpl
             while (($objectNumber = \array_pop($this->objectsToCopy[$readerId])) !== null) {
                 try {
                     $object = $parser->getIndirectObject($objectNumber);
-
                 } catch (CrossReferenceException $e) {
                     if ($e->getCode() === CrossReferenceException::OBJECT_NOT_FOUND) {
                         $object = PdfIndirectObject::create($objectNumber, 0, new PdfNull());

mod/assign/feedback/editpdf/fpdi/FpdiException.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -11,8 +12,6 @@ namespace setasign\Fpdi;
 
 /**
  * Base exception class for the FPDI package.
- *
- * @package setasign\Fpdi
  */
 class FpdiException extends \Exception
 {

mod/assign/feedback/editpdf/fpdi/FpdiTrait.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -41,8 +42,6 @@ use /* This namespace/class is used by the commercial FPDI PDF-Parser add-on. */
  *
  * This trait offers the core functionalities of FPDI. By passing them to a trait we can reuse it with e.g. TCPDF in a
  * very easy way.
- *
- * @package setasign\Fpdi
  */
 trait FpdiTrait
 {
@@ -63,7 +62,7 @@ trait FpdiTrait
     /**
      * The current reader id.
      *
-     * @var string
+     * @var string|null
      */
     protected $currentReaderId;
 
@@ -104,7 +103,7 @@ trait FpdiTrait
             unset($this->readers[$id]);
         }
 
-        $this->createdReaders= [];
+        $this->createdReaders = [];
     }
 
     /**
@@ -128,6 +127,9 @@ trait FpdiTrait
      */
     protected function getPdfParserInstance(StreamReader $streamReader)
     {
+        // note: if you get an exception here - turn off errors/warnings on not found for your autoloader.
+        // psr-4 (https://www.php-fig.org/psr/psr-4/) says: Autoloader implementations MUST NOT throw
+        // exceptions, MUST NOT raise errors of any level, and SHOULD NOT return a value.
         /** @noinspection PhpUndefinedClassInspection */
         if (\class_exists(FpdiPdfParser::class)) {
             /** @noinspection PhpUndefinedClassInspection */
@@ -299,7 +301,7 @@ trait FpdiTrait
 
         if ($rotation !== 0) {
             $rotation *= -1;
-            $angle = $rotation * M_PI/180;
+            $angle = $rotation * M_PI / 180;
             $a = \cos($angle);
             $b = \sin($angle);
             $c = -$b;
@@ -336,7 +338,8 @@ trait FpdiTrait
         $contents =  PdfType::resolve($contentsObject, $reader->getParser());
 
         // just copy the stream reference if it is only a single stream
-        if (($contentsIsStream = ($contents instanceof PdfStream))
+        if (
+            ($contentsIsStream = ($contents instanceof PdfStream))
             || ($contents instanceof PdfArray && \count($contents->value) === 1)
         ) {
             if ($contentsIsStream) {
@@ -494,26 +497,20 @@ trait FpdiTrait
             } else {
                 $this->_put(\rtrim(\rtrim(\sprintf('%.5F', $value->value), '0'), '.') . ' ', false);
             }
-
         } elseif ($value instanceof PdfName) {
             $this->_put('/' . $value->value . ' ', false);
-
         } elseif ($value instanceof PdfString) {
             $this->_put('(' . $value->value . ')', false);
-
         } elseif ($value instanceof PdfHexString) {
             $this->_put('<' . $value->value . '>');
-
         } elseif ($value instanceof PdfBoolean) {
             $this->_put($value->value ? 'true ' : 'false ', false);
-
         } elseif ($value instanceof PdfArray) {
             $this->_put('[', false);
             foreach ($value->value as $entry) {
                 $this->writePdfType($entry);
             }
             $this->_put(']');
-
         } elseif ($value instanceof PdfDictionary) {
             $this->_put('<<', false);
             foreach ($value->value as $name => $entry) {
@@ -521,13 +518,10 @@ trait FpdiTrait
                 $this->writePdfType($entry);
             }
             $this->_put('>>');
-
         } elseif ($value instanceof PdfToken) {
             $this->_put($value->value);
-
         } elseif ($value instanceof PdfNull) {
             $this->_put('null ');
-
         } elseif ($value instanceof PdfStream) {
             /**
              * @var $value PdfStream
@@ -536,7 +530,6 @@ trait FpdiTrait
             $this->_put('stream');
             $this->_put($value->getStream());
             $this->_put('endstream');
-
         } elseif ($value instanceof PdfIndirectObjectReference) {
             if (!isset($this->objectMap[$this->currentReaderId])) {
                 $this->objectMap[$this->currentReaderId] = [];
@@ -548,10 +541,9 @@ trait FpdiTrait
             }
 
             $this->_put($this->objectMap[$this->currentReaderId][$value->value] . ' 0 R ', false);
-
         } elseif ($value instanceof PdfIndirectObject) {
             /**
-             * @var $value PdfIndirectObject
+             * @var PdfIndirectObject $value
              */
             $n = $this->objectMap[$this->currentReaderId][$value->objectNumber];
             $this->_newobj($n);

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/AbstractReader.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -16,8 +17,6 @@ use setasign\Fpdi\PdfParser\Type\PdfTypeException;
 
 /**
  * Abstract class for cross-reference reader classes.
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 abstract class AbstractReader
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/CrossReference.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -21,8 +22,6 @@ use setasign\Fpdi\PdfParser\Type\PdfTypeException;
  * Class CrossReference
  *
  * This class processes the standard cross reference of a PDF document.
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 class CrossReference
 {
@@ -31,7 +30,7 @@ class CrossReference
      *
      * @var int
      */
-    static public $trailerSearchLength = 5500;
+    public static $trailerSearchLength = 5500;
 
     /**
      * @var int
@@ -206,7 +205,7 @@ class CrossReference
         $this->parser->getStreamReader()->reset($offset);
         $this->parser->getTokenizer()->clearStack();
         $initValue = $this->parser->readValue();
-        
+
         return $this->initReaderInstance($initValue);
     }
 
@@ -235,8 +234,15 @@ class CrossReference
         }
 
         if ($initValue instanceof PdfIndirectObject) {
-            // check for encryption
-            $stream = PdfStream::ensure($initValue->value);
+            try {
+                $stream = PdfStream::ensure($initValue->value);
+            } catch (PdfTypeException $e) {
+                throw new CrossReferenceException(
+                    'Invalid object type at xref reference offset.',
+                    CrossReferenceException::INVALID_DATA,
+                    $e
+                );
+            }
 
             $type = PdfDictionary::get($stream->value, 'Type');
             if ($type->value !== 'XRef') {

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/CrossReferenceException.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -13,8 +14,6 @@ use setasign\Fpdi\PdfParser\PdfParserException;
 
 /**
  * Exception used by the CrossReference and Reader classes.
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 class CrossReferenceException extends PdfParserException
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/FixedReader.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -17,8 +18,6 @@ use setasign\Fpdi\PdfParser\StreamReader;
  *
  * This reader allows a very less overhead parsing of single entries of the cross-reference, because the main entries
  * are only read when needed and not in a single run.
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 class FixedReader extends AbstractReader implements ReaderInterface
 {
@@ -63,6 +62,10 @@ class FixedReader extends AbstractReader implements ReaderInterface
     public function getOffsetFor($objectNumber)
     {
         foreach ($this->subSections as $offset => list($startObject, $objectCount)) {
+            /**
+             * @var int $startObject
+             * @var int $objectCount
+             */
             if ($objectNumber >= $startObject && $objectNumber < ($startObject + $objectCount)) {
                 $position = $offset + 20 * ($objectNumber - $startObject);
                 $this->reader->ensure($position, 20);

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/LineReader.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -17,8 +18,6 @@ use setasign\Fpdi\PdfParser\StreamReader;
  *
  * This reader class read all cross-reference entries in a single run.
  * It supports reading cross-references with e.g. invalid data (e.g. entries with a length < or > 20 bytes).
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 class LineReader extends AbstractReader implements ReaderInterface
 {
@@ -72,18 +71,16 @@ class LineReader extends AbstractReader implements ReaderInterface
      */
     protected function extract(StreamReader $reader)
     {
-        $cycles = -1;
         $bytesPerCycle = 100;
-
         $reader->reset(null, $bytesPerCycle);
 
-        while (
-            ($trailerPos = \strpos($reader->getBuffer(false), 'trailer', \max($bytesPerCycle * $cycles++, 0))) === false
-        ) {
-            if ($reader->increaseLength($bytesPerCycle) === false) {
-                break;
-            }
-        }
+        $cycles = 0;
+        do {
+            // 6 = length of "trailer" - 1
+            $pos = \max(($bytesPerCycle * $cycles) - 6, 0);
+            $trailerPos = \strpos($reader->getBuffer(false), 'trailer', $pos);
+            $cycles++;
+        } while ($trailerPos === false && $reader->increaseLength($bytesPerCycle) !== false);
 
         if ($trailerPos === false) {
             throw new CrossReferenceException(
@@ -127,44 +124,41 @@ class LineReader extends AbstractReader implements ReaderInterface
         }
 
         unset($differentLineEndings, $m);
-        $linesCount = \count($lines);
-        $start = null;
-        $entryCount = 0;
+        if (!\is_array($lines)) {
+            $this->offsets = [];
+            return;
+        }
 
+        $start = 0;
         $offsets = [];
 
-        /** @noinspection ForeachInvariantsInspection */
-        for ($i = 0; $i < $linesCount; $i++) {
-            $line = \trim($lines[$i]);
-            if ($line) {
-                $pieces = \explode(' ', $line);
-
-                $c = \count($pieces);
-                switch ($c) {
-                    case 2:
-                        $start = (int) $pieces[0];
-                        $entryCount += (int) $pieces[1];
-                        break;
-
-                    /** @noinspection PhpMissingBreakStatementInspection */
-                    case 3:
-                        switch ($pieces[2]) {
-                            case 'n':
-                                $offsets[$start] = [(int) $pieces[0], (int) $pieces[1]];
-                                $start++;
-                                break 2;
-                            case 'f':
-                                $start++;
-                                break 2;
-                        }
-                        // fall through if pieces doesn't match
-
-                    default:
-                        throw new CrossReferenceException(
-                            \sprintf('Unexpected data in xref table (%s)', \implode(' ', $pieces)),
-                            CrossReferenceException::INVALID_DATA
-                        );
-                }
+        // trim all lines and remove empty lines
+        $lines = \array_filter(\array_map('\trim', $lines));
+        foreach ($lines as $line) {
+            $pieces = \explode(' ', $line);
+
+            switch (\count($pieces)) {
+                case 2:
+                    $start = (int) $pieces[0];
+                    break;
+
+                case 3:
+                    switch ($pieces[2]) {
+                        case 'n':
+                            $offsets[$start] = [(int) $pieces[0], (int) $pieces[1]];
+                            $start++;
+                            break 2;
+                        case 'f':
+                            $start++;
+                            break 2;
+                    }
+                    // fall through if pieces doesn't match
+
+                default:
+                    throw new CrossReferenceException(
+                        \sprintf('Unexpected data in xref table (%s)', \implode(' ', $pieces)),
+                        CrossReferenceException::INVALID_DATA
+                    );
             }
         }
 

mod/assign/feedback/editpdf/fpdi/PdfParser/CrossReference/ReaderInterface.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -13,8 +14,6 @@ use setasign\Fpdi\PdfParser\Type\PdfDictionary;
 
 /**
  * ReaderInterface for cross-reference readers.
- *
- * @package setasign\Fpdi\PdfParser\CrossReference
  */
 interface ReaderInterface
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/Ascii85.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -11,8 +12,6 @@ namespace setasign\Fpdi\PdfParser\Filter;
 
 /**
  * Class for handling ASCII base-85 encoded data
- *
- * @package setasign\Fpdi\PdfParser\Filter
  */
 class Ascii85 implements FilterInterface
 {
@@ -29,6 +28,8 @@ class Ascii85 implements FilterInterface
         $state = 0;
         $chn = null;
 
+        $data = \preg_replace('/\s/', '', $data);
+
         $l = \strlen($data);
 
         /** @noinspection ForeachInvariantsInspection */
@@ -44,13 +45,12 @@ class Ascii85 implements FilterInterface
             if ($ch === 126 && isset($data[$k + 1]) && (\ord($data[$k + 1]) & 0xFF) === 62) {
                 break;
             }
-            if (\preg_match('/^\s$/', \chr($ch))) {
-                continue;
-            }
+
             if ($ch === 122 /* z */ && $state === 0) {
                 $out .= \chr(0) . \chr(0) . \chr(0) . \chr(0);
                 continue;
             }
+
             if ($ch < 33 /* ! */ || $ch > 117 /* u */) {
                 throw new Ascii85Exception(
                     'Illegal character found while ASCII85 decode.',
@@ -86,12 +86,10 @@ class Ascii85 implements FilterInterface
         if ($state === 2) {
             $r = $chn[0] * 85 * 85 * 85 * 85 + ($chn[1] + 1) * 85 * 85 * 85;
             $out .= \chr($r >> 24);
-
         } elseif ($state === 3) {
             $r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + ($chn[2] + 1) * 85 * 85;
             $out .= \chr($r >> 24);
             $out .= \chr($r >> 16);
-
         } elseif ($state === 4) {
             $r = $chn[0] * 85 * 85 * 85 * 85 + $chn[1] * 85 * 85 * 85 + $chn[2] * 85 * 85 + ($chn[3] + 1) * 85;
             $out .= \chr($r >> 24);

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/Ascii85Exception.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -11,8 +12,6 @@ namespace setasign\Fpdi\PdfParser\Filter;
 
 /**
  * Exception for Ascii85 filter class
- *
- * @package setasign\Fpdi\PdfParser\Filter
  */
 class Ascii85Exception extends FilterException
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/AsciiHex.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -11,8 +12,6 @@ namespace setasign\Fpdi\PdfParser\Filter;
 
 /**
  * Class for handling ASCII hexadecimal encoded data
- *
- * @package setasign\Fpdi\PdfParser\Filter
  */
 class AsciiHex implements FilterInterface
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/FilterException.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -13,8 +14,6 @@ use setasign\Fpdi\PdfParser\PdfParserException;
 
 /**
  * Exception for filters
- *
- * @package setasign\Fpdi\PdfParser\Filter
  */
 class FilterException extends PdfParserException
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/FilterInterface.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi
- * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
+ * @copyright Copyright (c) 2020 Setasign GmbH & Co. KG (https://www.setasign.com)
  * @license   http://opensource.org/licenses/mit-license The MIT License
  */
 
@@ -11,8 +12,6 @@ namespace setasign\Fpdi\PdfParser\Filter;
 
 /**
  * Interface for filters
- *
- * @package setasign\Fpdi\PdfParser\Filter
  */
 interface FilterInterface
 {

mod/assign/feedback/editpdf/fpdi/PdfParser/Filter/Flate.php

 <?php
+
 /**
  * This file is part of FPDI
  *
  * @package   setasign\Fpdi