From 2dbb9393671d33639a44b448a34ada5c1d7419f2 Mon Sep 17 00:00:00 2001
From: KONE SOREL <skone@ebene.info>
Date: Mon, 29 Dec 2025 09:06:33 +0000
Subject: [PATCH] PHPExcel

---
 PHPExcel/PHPExcel/Shared/String.php | 31 ++++++++++++++++++++---------
 1 file changed, 22 insertions(+), 9 deletions(-)

diff --git a/PHPExcel/PHPExcel/Shared/String.php b/PHPExcel/PHPExcel/Shared/String.php
index 49d217a..9105a2d 100755
--- a/PHPExcel/PHPExcel/Shared/String.php
+++ b/PHPExcel/PHPExcel/Shared/String.php
@@ -525,21 +525,34 @@ class PHPExcel_Shared_String
 	 * @author vadik56
 	 */
 	public static function utf16_decode($str, $bom_be = TRUE) {
-		if( strlen($str) < 2 ) return $str;
-		$c0 = ord($str{0});
-		$c1 = ord($str{1});
-		if( $c0 == 0xfe && $c1 == 0xff ) { $str = substr($str,2); }
-		elseif( $c0 == 0xff && $c1 == 0xfe ) { $str = substr($str,2); $bom_be = false; }
+		if (strlen($str) < 2) return $str;
+
+		$c0 = ord($str[0]);
+		$c1 = ord($str[1]);
+
+		if ($c0 == 0xfe && $c1 == 0xff) {
+			$str = substr($str, 2);
+		} elseif ($c0 == 0xff && $c1 == 0xfe) {
+			$str = substr($str, 2);
+			$bom_be = false;
+		}
+
 		$len = strlen($str);
 		$newstr = '';
-		for($i=0;$i<$len;$i+=2) {
-			if( $bom_be ) { $val = ord($str{$i})   << 4; $val += ord($str{$i+1}); }
-			else {        $val = ord($str{$i+1}) << 4; $val += ord($str{$i}); }
+
+		for ($i = 0; $i < $len; $i += 2) {
+			if ($bom_be) {
+				$val = ord($str[$i]) << 4;
+				$val += ord($str[$i + 1]);
+			} else {
+				$val = ord($str[$i + 1]) << 4;
+				$val += ord($str[$i]);
+			}
 			$newstr .= ($val == 0x228) ? "\n" : chr($val);
 		}
+
 		return $newstr;
 	}
-
 	/**
 	 * Get character count. First try mbstring, then iconv, finally strlen
 	 *