From a4251595a2017d1d3cf82233336780d31e05fa34 Mon Sep 17 00:00:00 2001
From: Song <yin_song@msn.com>
Date: Fri, 16 Nov 2018 15:34:07 +0800
Subject: [PATCH] Fix toHex: is numbericPHP Fatal error:  Uncaught Error: Call
 to a member function toHex() on array in IntegerFormatter.php:36

move is_string() to the front of is_numeric(), resolve the problem of digit string recognition. such as: string "20180001"
---
 src/Utils.php | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Utils.php b/src/Utils.php
index fcb4964..f31aae9 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -87,14 +87,14 @@ class Utils
      */
     public static function toHex($value, $isPrefix=false)
     {
-        if (is_numeric($value)) {
+        if (is_string($value)) {
+            $value = self::stripZero($value);
+            $hex = implode('', unpack('H*', $value));
+        } esleif (is_numeric($value)) {
             // turn to hex number
             $bn = self::toBn($value);
             $hex = $bn->toHex(true);
             $hex = preg_replace('/^0+(?!$)/', '', $hex);
-        } elseif (is_string($value)) {
-            $value = self::stripZero($value);
-            $hex = implode('', unpack('H*', $value));
         } elseif ($value instanceof BigNumber) {
             $hex = $value->toHex(true);
             $hex = preg_replace('/^0+(?!$)/', '', $hex);
@@ -535,4 +535,4 @@ class Utils
         }
         return $bn;
     }
-}
\ No newline at end of file
+}