show correct error on incorrect encoding

Signed-off-by: Ruben Barkow-Kuder <github@r.z11.de>
tecnickcom · Mar 7, 2023 · ab5fe4d · ab5fe4d
1 parent 2fb1c01
commit ab5fe4d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/include/tcpdf_fonts.php b/include/tcpdf_fonts.php
@@ -2002,7 +2002,11 @@ public static function UTF8StringToArray($str, $isunicode, &$currentfont) {
 		if ($isunicode) {
 			// requires PCRE unicode support turned on
 			$chars = TCPDF_STATIC::pregSplit('//','u', $str, -1, PREG_SPLIT_NO_EMPTY);
-			$carr = array_map(array('TCPDF_FONTS', 'uniord'), $chars);
+			if(empty($chars)){
+				die('TCPDF Error: Incorrect encoding: '.$str);
+			}else{
+				$carr = array_map(array('TCPDF_FONTS', 'uniord'), $chars);
+			}
 		} else {
 			$chars = str_split($str);
 			$carr = array_map('ord', $chars);