Updated SingleValidation.php

Formatted the code to follow PSR standards.

Author: MailboxValidator

src/SingleValidation.php

@@ -1,58 +1,58 @@
-<?php // MBV codeigniter and yii need to be updated as well
+<?php
 namespace MailboxValidator;
 
 class EmailValidation {
-    private $apikey = '';
-    private $singlevalidationapiurl = 'https://api.mailboxvalidator.com/v1/validation/single';
-    private $disposableemailapiurl = 'https://api.mailboxvalidator.com/v1/email/disposable';
-    private $freeemailapiurl = 'https://api.mailboxvalidator.com/v1/email/free';
+    private $apiKey = '';
+    private $singleValidationApiUrl = 'https://api.mailboxvalidator.com/v1/validation/single';
+    private $disposableEmailApiUrl = 'https://api.mailboxvalidator.com/v1/email/disposable';
+    private $freeEmailApiUrl = 'https://api.mailboxvalidator.com/v1/email/free';
 
     public function __construct($key) {
-        $this->apikey = $key;
+        $this->apiKey = $key;
     }
 
     public function __destruct() {
 
     }
 
+    /*
+    * Validate whether an email address is a valid email or not.
+    */
     public function validateEmail($email) {
-        /*
-        * Validate whether an email address is a valid email or not.
-        */
         try {
-            $params = [ 'email' => $email, 'key' => $this->apikey, 'format' => 'json' ];
+            $params = [ 'email' => $email, 'key' => $this->apiKey, 'format' => 'json' ];
             $params2 = [];
             foreach ($params as $key => $value) {
                 $params2[] = $key . '=' . rawurlencode($value);
             }
             $params = implode('&', $params2);
 
-            $results = file_get_contents($this->singlevalidationapiurl . '?' . $params);
+            $results = file_get_contents($this->singleValidationApiUrl . '?' . $params);
 
             if ($results !== false) {
                 return json_decode($results);
             }
             else {
-                return false;
+                return null;
             }
         } catch (Exception $e) {
-            return false;
+            return null;
         }
     }
 
+    /*
+    * Validate whether an email address is a disposable email or not.
+    */
     public function isDisposableEmail($email) {
-        /*
-        * Validate whether an email address is a disposable email or not.
-        */
         try {
-            $params = [ 'email' => $email, 'key' => $this->apikey, 'format' => 'json' ];
+            $params = [ 'email' => $email, 'key' => $this->apiKey, 'format' => 'json' ];
             $params2 = [];
             foreach ($params as $key => $value) {
                 $params2[] = $key . '=' . rawurlencode($value);
             }
             $params = implode('&', $params2);
 
-            $results = file_get_contents($this->disposableemailapiurl . '?' . $params);
+            $results = file_get_contents($this->disposableEmailApiUrl . '?' . $params);
 
             if ($results !== false) {
                 return json_decode($results);
@@ -65,19 +65,19 @@ public function isDisposableEmail($email) {
         }
     }
 
+    /*
+    * Validate whether an email address is a free email or not.
+    */
     public function isFreeEmail($email) {
-        /*
-        * Validate whether an email address is a free email or not.
-        */
         try {
-            $params = [ 'email' => $email, 'key' => $this->apikey, 'format' => 'json' ];
+            $params = [ 'email' => $email, 'key' => $this->apiKey, 'format' => 'json' ];
             $params2 = [];
             foreach ($params as $key => $value) {
                 $params2[] = $key . '=' . rawurlencode($value);
             }
             $params = implode('&', $params2);
 
-            $results = file_get_contents($this->freeemailapiurl . '?' . $params);
+            $results = file_get_contents($this->freeEmailApiUrl . '?' . $params);
 
             if ($results !== false) {
                 return json_decode($results);