MC-33909: Fix Integration tests php 7.4

Author: xmav

lib/internal/Magento/Framework/Archive/Tar.php

@@ -430,23 +430,6 @@ protected function _unpackCurrentTar($destination)
         return $list;
     }
 
-    /**
-     * Converts octal numbers to decimal ones for specific header types.
-     *
-     * @param array $header
-     * @return array
-     */
-    private function convertOctToDec(array $header): array
-    {
-        $typesToConvert = ['mode', 'uid', 'gid', 'size', 'mtime', 'checksum'];
-        foreach ($typesToConvert as $type) {
-            $octNum = preg_replace('/[^0-7]/', '', $header[$type]);
-            $header[$type] = octdec($octNum);
-        }
-
-        return $header;
-    }
-
     /**
      * Read and decode file header information from tarball
      *
@@ -463,7 +446,13 @@ protected function _extractFileHeader()
         }
 
         $header = unpack(self::_getFormatParseHeader(), $headerBlock);
-        $header = $this->convertOctToDec($header);
+
+        $header['mode'] = octdec($header['mode']);
+        $header['uid'] = octdec($header['uid']);
+        $header['gid'] = octdec($header['gid']);
+        $header['size'] = octdec($header['size']);
+        $header['mtime'] = octdec($header['mtime']);
+        $header['checksum'] = octdec($header['checksum']);
 
         if ($header['type'] == "5") {
             $header['size'] = 0;