MDL-75951 core: Update box/spout to address PHP 8.1 deprecation

This change is a direct pull from an upstream fix:
openspout/openspout@64a09a7

This addresses the deprecation of auto_detect_line_endings in PHP 8.1.

lib/spout/readme_moodle.txt

@@ -4,6 +4,11 @@ Description of Spout library import
 * Only include the src/Spout directory.
 * Update lib/thirdpartylibs.xml with the latest version.
 
+2022/11/25
+----------
+Imported PHP 8.1 patch from OpenSpout/OpenSpout 4.8.1
+https://github.com/openspout/openspout/commit/64a09a748d04992d63b38712599a9d8742bd77f7
+
 2022/10/27
 ----------
 Changes:
@@ -36,4 +41,4 @@ by Ankit Agarwal <[email protected]>
 2016/09/20
 ----------
 Updated to v2.6.0 (MDL-56012)
-by Adrian Greeve <[email protected]>
+by Adrian Greeve <[email protected]>

lib/spout/src/Spout/Reader/CSV/Reader.php

@@ -3,6 +3,9 @@
 namespace Box\Spout\Reader\CSV;
 
 use Box\Spout\Common\Exception\IOException;
+use Box\Spout\Common\Helper\GlobalFunctionsHelper;
+use Box\Spout\Common\Manager\OptionsManagerInterface;
+use Box\Spout\Reader\Common\Creator\InternalEntityFactoryInterface;
 use Box\Spout\Reader\Common\Entity\Options;
 use Box\Spout\Reader\CSV\Creator\InternalEntityFactory;
 use Box\Spout\Reader\ReaderAbstract;
@@ -22,6 +25,23 @@ class Reader extends ReaderAbstract
     /** @var string Original value for the "auto_detect_line_endings" INI value */
     protected $originalAutoDetectLineEndings;
 
+    /** @var bool Whether the code is running with PHP >= 8.1 */
+    private $isRunningAtLeastPhp81;
+
+    /**
+     * @param OptionsManagerInterface $optionsManager
+     * @param GlobalFunctionsHelper $globalFunctionsHelper
+     * @param InternalEntityFactoryInterface $entityFactory
+     */
+    public function __construct(
+        OptionsManagerInterface $optionsManager,
+        GlobalFunctionsHelper $globalFunctionsHelper,
+        InternalEntityFactoryInterface $entityFactory
+    ) {
+        parent::__construct($optionsManager, $globalFunctionsHelper, $entityFactory);
+        $this->isRunningAtLeastPhp81 = \version_compare(PHP_VERSION, '8.1.0') >= 0;
+    }
+
     /**
      * Sets the field delimiter for the CSV.
      * Needs to be called before opening the reader.
@@ -84,8 +104,11 @@ protected function doesSupportStreamWrapper()
      */
     protected function openReader($filePath)
     {
-        $this->originalAutoDetectLineEndings = \ini_get('auto_detect_line_endings');
-        \ini_set('auto_detect_line_endings', '1');
+        // "auto_detect_line_endings" is deprecated in PHP 8.1
+        if (!$this->isRunningAtLeastPhp81) {
+            $this->originalAutoDetectLineEndings = \ini_get('auto_detect_line_endings');
+            \ini_set('auto_detect_line_endings', '1');
+        }
 
         $this->filePointer = $this->globalFunctionsHelper->fopen($filePath, 'r');
         if (!$this->filePointer) {
@@ -123,6 +146,9 @@ protected function closeReader()
             $this->globalFunctionsHelper->fclose($this->filePointer);
         }
 
-        \ini_set('auto_detect_line_endings', $this->originalAutoDetectLineEndings);
+        // "auto_detect_line_endings" is deprecated in PHP 8.1
+        if (!$this->isRunningAtLeastPhp81) {
+            \ini_set('auto_detect_line_endings', $this->originalAutoDetectLineEndings);
+        }
     }
 }