php-toolkit
diff --git a/‎.editorconfig‎
Lines changed: 0 additions & 17 deletions b/‎.editorconfig‎
Lines changed: 0 additions & 17 deletions
diff --git a/‎src/StringHelper.php‎
Lines changed: 1 addition & 1 deletion b/‎src/StringHelper.php‎
Lines changed: 1 addition & 1 deletion
@@ -153,7 +153,7 @@ public static function utf8SubStr($str, $start = 0, $end = null): string
      * @param bool   $suffix 是否加尾缀
      * @return string
      */
-    public static function zhSubStr($str, $start = 0, $length, $charset = 'utf-8', $suffix = true): string
+    public static function zhSubStr($str, $start = 0, $length = 0, $charset = 'utf-8', $suffix = true): string
     {
         if (\function_exists('mb_substr')) {
             if (mb_strlen($str, $charset) <= $length) {
Original file line number	Diff line number	Diff line change
`@@ -153,7 +153,7 @@ public static function utf8SubStr($str, $start = 0, $end = null): string`
`153`	`153`	`* @param bool $suffix 是否加尾缀`
`154`	`154`	`* @return string`
`155`	`155`	`*/`
`156`		`- public static function zhSubStr($str, $start = 0, $length, $charset = 'utf-8', $suffix = true): string`
	`156`	`+ public static function zhSubStr($str, $start = 0, $length = 0, $charset = 'utf-8', $suffix = true): string`
`157`	`157`	`{`
`158`	`158`	`if (\function_exists('mb_substr')) {`
`159`	`159`	`if (mb_strlen($str, $charset) <= $length) {`