From b9b00faab530582235baaf8bd69a8c9be11d8f1b Mon Sep 17 00:00:00 2001
From: enricodias <enricodias@gmail.com>
Date: Tue, 22 Oct 2019 11:58:33 -0200
Subject: [PATCH] The use of function is_null() is discouraged

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

diff --git a/src/nameize.php b/src/nameize.php
index 5ec5481..040b083 100644
--- a/src/nameize.php
+++ b/src/nameize.php
@@ -9,7 +9,7 @@ class nameize
 	
 	public function __construct($allowedCharacters = null) {
 		
-		if (!is_null($allowedCharacters)) $this->setAllowedCharacters($allowedCharacters);
+		if ($allowedCharacters !== null) $this->setAllowedCharacters($allowedCharacters);
 
 		return $this;