diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/ID3/getid3.lib.php
--- a/wp/wp-includes/ID3/getid3.lib.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-includes/ID3/getid3.lib.php	Tue Sep 27 16:37:53 2022 +0200
@@ -242,7 +242,7 @@
 	/**
 	 * ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
 	 *
-	 * @link http://www.psc.edu/general/software/packages/ieee/ieee.html
+	 * @link https://web.archive.org/web/20120325162206/http://www.psc.edu/general/software/packages/ieee/ieee.php
 	 * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
 	 *
 	 * @param string $byteword
@@ -294,12 +294,12 @@
 
 		if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) {
 			// Not a Number
-			$floatvalue = false;
+			$floatvalue = NAN;
 		} elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) {
 			if ($signbit == '1') {
-				$floatvalue = '-infinity';
+				$floatvalue = -INF;
 			} else {
-				$floatvalue = '+infinity';
+				$floatvalue = INF;
 			}
 		} elseif (($exponent == 0) && ($fraction == 0)) {
 			if ($signbit == '1') {
@@ -427,14 +427,20 @@
 	 * @return string
 	 */
 	public static function Dec2Bin($number) {
+		if (!is_numeric($number)) {
+			// https://github.com/JamesHeinrich/getID3/issues/299
+			trigger_error('TypeError: Dec2Bin(): Argument #1 ($number) must be numeric, '.gettype($number).' given', E_USER_WARNING);
+			return '';
+		}
+		$bytes = array();
 		while ($number >= 256) {
-			$bytes[] = (($number / 256) - (floor($number / 256))) * 256;
+			$bytes[] = (int) (($number / 256) - (floor($number / 256))) * 256;
 			$number = floor($number / 256);
 		}
-		$bytes[] = $number;
+		$bytes[] = (int) $number;
 		$binstring = '';
-		for ($i = 0; $i < count($bytes); $i++) {
-			$binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring;
+		foreach ($bytes as $i => $byte) {
+			$binstring = (($i == count($bytes) - 1) ? decbin($byte) : str_pad(decbin($byte), 8, '0', STR_PAD_LEFT)).$binstring;
 		}
 		return $binstring;
 	}
@@ -665,6 +671,7 @@
 		// or
 		//   $foo['path']['to']['my'] = 'file.txt';
 		$ArrayPath = ltrim($ArrayPath, $Separator);
+		$ReturnedArray = array();
 		if (($pos = strpos($ArrayPath, $Separator)) !== false) {
 			$ReturnedArray[substr($ArrayPath, 0, $pos)] = self::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value);
 		} else {
@@ -1538,12 +1545,21 @@
 	public static function CopyTagsToComments(&$ThisFileInfo, $option_tags_html=true) {
 		// Copy all entries from ['tags'] into common ['comments']
 		if (!empty($ThisFileInfo['tags'])) {
-			if (isset($ThisFileInfo['tags']['id3v1'])) {
-				// bubble ID3v1 to the end, if present to aid in detecting bad ID3v1 encodings
-				$ID3v1 = $ThisFileInfo['tags']['id3v1'];
-				unset($ThisFileInfo['tags']['id3v1']);
-				$ThisFileInfo['tags']['id3v1'] = $ID3v1;
-				unset($ID3v1);
+
+			// Some tag types can only support limited character sets and may contain data in non-standard encoding (usually ID3v1)
+			// and/or poorly-transliterated tag values that are also in tag formats that do support full-range character sets
+			// To make the output more user-friendly, process the potentially-problematic tag formats last to enhance the chance that
+			// the first entries in [comments] are the most correct and the "bad" ones (if any) come later.
+			// https://github.com/JamesHeinrich/getID3/issues/338
+			$processLastTagTypes = array('id3v1','riff');
+			foreach ($processLastTagTypes as $processLastTagType) {
+				if (isset($ThisFileInfo['tags'][$processLastTagType])) {
+					// bubble ID3v1 to the end, if present to aid in detecting bad ID3v1 encodings
+					$temp = $ThisFileInfo['tags'][$processLastTagType];
+					unset($ThisFileInfo['tags'][$processLastTagType]);
+					$ThisFileInfo['tags'][$processLastTagType] = $temp;
+					unset($temp);
+				}
 			}
 			foreach ($ThisFileInfo['tags'] as $tagtype => $tagarray) {
 				foreach ($tagarray as $tagname => $tagdata) {
@@ -1562,20 +1578,30 @@
 										// new value is identical but shorter-than (or equal-length to) one already in comments - skip
 										break 2;
 									}
-								}
-								if (function_exists('mb_convert_encoding')) {
-									if (trim($value) == trim(substr(mb_convert_encoding($existingvalue, $ThisFileInfo['id3v1']['encoding'], $ThisFileInfo['encoding']), 0, 30))) {
-										// value stored in ID3v1 appears to be probably the multibyte value transliterated (badly) into ISO-8859-1 in ID3v1.
-										// As an example, Foobar2000 will do this if you tag a file with Chinese or Arabic or Cyrillic or something that doesn't fit into ISO-8859-1 the ID3v1 will consist of mostly "?" characters, one per multibyte unrepresentable character
-										break 2;
+
+									if (function_exists('mb_convert_encoding')) {
+										if (trim($value) == trim(substr(mb_convert_encoding($existingvalue, $ThisFileInfo['id3v1']['encoding'], $ThisFileInfo['encoding']), 0, 30))) {
+											// value stored in ID3v1 appears to be probably the multibyte value transliterated (badly) into ISO-8859-1 in ID3v1.
+											// As an example, Foobar2000 will do this if you tag a file with Chinese or Arabic or Cyrillic or something that doesn't fit into ISO-8859-1 the ID3v1 will consist of mostly "?" characters, one per multibyte unrepresentable character
+											break 2;
+										}
 									}
 								}
 
 							} elseif (!is_array($value)) {
 
-								$newvaluelength = strlen(trim($value));
+								$newvaluelength   =    strlen(trim($value));
+								$newvaluelengthMB = mb_strlen(trim($value));
 								foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) {
-									$oldvaluelength = strlen(trim($existingvalue));
+									$oldvaluelength   =    strlen(trim($existingvalue));
+									$oldvaluelengthMB = mb_strlen(trim($existingvalue));
+									if (($newvaluelengthMB == $oldvaluelengthMB) && ($existingvalue == getid3_lib::iconv_fallback('UTF-8', 'ASCII', $value))) {
+										// https://github.com/JamesHeinrich/getID3/issues/338
+										// check for tags containing extended characters that may have been forced into limited-character storage (e.g. UTF8 values into ASCII)
+										// which will usually display unrepresentable characters as "?"
+										$ThisFileInfo['comments'][$tagname][$existingkey] = trim($value);
+										break;
+									}
 									if ((strlen($existingvalue) > 10) && ($newvaluelength > $oldvaluelength) && (substr(trim($value), 0, strlen($existingvalue)) == $existingvalue)) {
 										$ThisFileInfo['comments'][$tagname][$existingkey] = trim($value);
 										break;
@@ -1601,14 +1627,16 @@
 			}
 
 			// attempt to standardize spelling of returned keys
-			$StandardizeFieldNames = array(
-				'tracknumber' => 'track_number',
-				'track'       => 'track_number',
-			);
-			foreach ($StandardizeFieldNames as $badkey => $goodkey) {
-				if (array_key_exists($badkey, $ThisFileInfo['comments']) && !array_key_exists($goodkey, $ThisFileInfo['comments'])) {
-					$ThisFileInfo['comments'][$goodkey] = $ThisFileInfo['comments'][$badkey];
-					unset($ThisFileInfo['comments'][$badkey]);
+			if (!empty($ThisFileInfo['comments'])) {
+				$StandardizeFieldNames = array(
+					'tracknumber' => 'track_number',
+					'track'       => 'track_number',
+				);
+				foreach ($StandardizeFieldNames as $badkey => $goodkey) {
+					if (array_key_exists($badkey, $ThisFileInfo['comments']) && !array_key_exists($goodkey, $ThisFileInfo['comments'])) {
+						$ThisFileInfo['comments'][$goodkey] = $ThisFileInfo['comments'][$badkey];
+						unset($ThisFileInfo['comments'][$badkey]);
+					}
 				}
 			}
 
@@ -1734,6 +1762,7 @@
 	 * @return float|bool
 	 */
 	public static function getFileSizeSyscall($path) {
+		$commandline = null;
 		$filesize = false;
 
 		if (GETID3_OS_ISWINDOWS) {
@@ -1795,7 +1824,7 @@
 	 *
 	 * @return string
 	 */
-	public static function mb_basename($path, $suffix = null) {
+	public static function mb_basename($path, $suffix = '') {
 		$splited = preg_split('#/#', rtrim($path, '/ '));
 		return substr(basename('X'.$splited[count($splited) - 1], $suffix), 1);
 	}