add is function to test against particular type

README.md

@@ -32,6 +32,9 @@ $type = (new \Shieldfy\Sniffer\Sniffer)->sniff(serialize(['hello'=>1,'world'=>'!
 //you can add more than value as array
 $type = (new \Shieldfy\Sniffer\Sniffer)->sniff(['555','abc']);
 
+//test against particular type
+$result = (new \Shieldfy\Sniffer\Sniffer)->sniff('123456789','number'); //true
+
 //you can register your own sniffer on the runtime
 $type = (new \Shieldfy\Sniffer\Sniffer)->register('hello',function($input){
 	if(strstr($input,'hello')) 

src/Sniffer.php

@@ -62,6 +62,21 @@ public function sniff($input)
         return $this->run($input);
     }
 
+    /**
+    * test against particular type
+    * 
+    * @param mixed $input
+    *
+    * @return boolean
+    */
+    public function is($input,$type)
+    {
+        if(!isset($this->types[$type]))
+            throw new \Exception("Type Not found use one of supported types ( ".implode(' , ',array_keys($this->types))." )");
+        $typeClass = $this->types[$type];
+        return (new $typeClass())->sniff($input);            
+    }
+
     /**
      * Start Sniffing array.
      *