update SimplePie for compatibility php 7.4 and 8

1 files changed, 24 insertions, 6 deletions

diff --git a/lib/simplepie/library/SimplePie/Parser.php b/lib/simplepie/library/SimplePie/Parser.php
index 3cef2287d..3813b74b2 100644
--- a/lib/simplepie/library/SimplePie/Parser.php
+++ b/lib/simplepie/library/SimplePie/Parser.php
@@ -5,7 +5,7 @@
  * A PHP-Based RSS and Atom Feed Framework.
  * Takes the hard work out of managing a complete RSS/Atom solution.
  *
- * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification, are
@@ -33,9 +33,9 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * @package SimplePie
- * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
  * @author Ryan Parman
- * @author Geoffrey Sneddon
+ * @author Sam Sneddon
  * @author Ryan McCue
  * @link http://simplepie.org/ SimplePie
  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
@@ -164,12 +164,30 @@ class SimplePie_Parser
 			xml_set_element_handler($xml, 'tag_open', 'tag_close');
 
 			// Parse!
-			if (!xml_parse($xml, $data, true))
+			$wrapper = @is_writable(sys_get_temp_dir()) ? 'php://temp' : 'php://memory';
+			if (($stream = fopen($wrapper, 'r+')) &&
+				fwrite($stream, $data) &&
+				rewind($stream))
+			{
+				//Parse by chunks not to use too much memory
+				do
+				{
+					$stream_data = fread($stream, 1048576);
+					if (!xml_parse($xml, $stream_data === false ? '' : $stream_data, feof($stream)))
+					{
+						$this->error_code = xml_get_error_code($xml);
+						$this->error_string = xml_error_string($this->error_code);
+						$return = false;
+						break;
+					}
+				} while (!feof($stream));
+				fclose($stream);
+			}
+			else
 			{
-				$this->error_code = xml_get_error_code($xml);
-				$this->error_string = xml_error_string($this->error_code);
 				$return = false;
 			}
+
 			$this->current_line = xml_get_current_line_number($xml);
 			$this->current_column = xml_get_current_column_number($xml);
 			$this->current_byte = xml_get_current_byte_index($xml);