change warning function name to keep consistency

Author: erickhun

README.md

@@ -24,7 +24,7 @@ use Buffer\Bufflog;
 
 Bufflog::debug("I am a debug");
 Bufflog::info("I am an info");
-Bufflog::warn("I am a warning");
+Bufflog::warning("I am a warning");
 Bufflog::error("I am an error");
 Bufflog::critical("I am a warning");
 ```
@@ -33,7 +33,7 @@ If you wish add more context in your logs,
 ```php
 Bufflog::debug("some context", ["my key" => " my value"]);
 Bufflog::info("I am a info with context", ["my key" => " my value"]);
-Bufflog::warn("I am a warning", ["duration" => "40ms"]);
+Bufflog::warning("I am a warning", ["duration" => "40ms"]);
 
 Bufflog::critical("I'm critical log, here some extra fancy informations",
                     [

example.php

@@ -10,8 +10,8 @@
 Bufflog::info("I am an info");
 Bufflog::info("I am a info with context", ["my key" => " my value"]);
 
-Bufflog::warn("I am a warning");
-Bufflog::warn("I am a warning", ["duration" => "40ms"]);
+Bufflog::warning("I am a warning");
+Bufflog::warning("I am a warning", ["duration" => "40ms"]);
 
 Bufflog::error("I am an error");
 Bufflog::error("I am an error", ["mean" => "70"]);

src/php-bufflog/BuffLog.php

@@ -52,7 +52,7 @@ public static function info($message, $context = [], $extra = [])
         self::getLogger()->info($logOutput);
     }
 
-    public static function warn($message, $context = [], $extra = [])
+    public static function warning($message, $context = [], $extra = [])
     {
         self::setVerbosity();
         if (self::$currentVerbosity > Logger::WARNING) {