Verify OTP without marking it as used.

README.md

@@ -121,6 +121,19 @@ use Ichtrojan\Otp\Otp;
 }
 ```
 
+### Check The validity of an OTP
+
+To verify the validity of an OTP without marking it as used, you can use the `isValid` method:
+
+```php
+<?php
+use Ichtrojan\Otp\Otp;
+
+(new Otp)->isValid(string $identifier, string $token);
+```
+
+This will return a boolean value of the validity of the OTP.
+
 ### Delete expired tokens
 You can delete expired tokens by running the following artisan command:
 ```bash

src/Otp.php

@@ -44,6 +44,24 @@ public function generate(string $identifier, string $type, int $length = 4, int
         ];
     }
 
+    /**
+     * @param string $identifier
+     * @param string $token
+     * @return bool
+     */
+    public function isValid(string $identifier, string $token): bool
+    {
+        $otp = Model::where('identifier', $identifier)->where('token', $token)->first();
+
+        if ($otp instanceof Model) {
+            $validity = $otp->created_at->addMinutes($otp->validity);
+
+            return Carbon::now()->lt($validity) && $otp->valid;
+        }
+
+        return false;
+    }
+
     /**
      * @param string $identifier
      * @param string $token