From e04b04d2d91cf8edccd87d05181853e762f79479 Mon Sep 17 00:00:00 2001
From: Benjamin Morel <benjamin.morel@gmail.com>
Date: Thu, 31 Mar 2016 19:34:17 +0200
Subject: [PATCH] Fix BigInteger::parse() not throwing exception on PHP 7

---
 src/BigInteger.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BigInteger.php b/src/BigInteger.php
index da3894d..e271335 100644
--- a/src/BigInteger.php
+++ b/src/BigInteger.php
@@ -95,7 +95,7 @@ public static function parse($number, $base = 10)
             $sign = '';
         }
 
-        if ($number === false) {
+        if ($number === false /* PHP 5 */ || $number === '' /* PHP 7 */) {
             throw new \InvalidArgumentException('The value cannot be empty.');
         }