Vérification relatives à l'existence des fichiers de conf (payplug, mailjet)

common/config/main.php

             'identityClass' => 'common\models\User',
             'enableAutoLogin' => true,
             'identityCookie' => [
-                'name' => 'laboiteapain',
+                'name' => 'distrib',
                 'domain' => (($serverName != 'localhost') ? '.' : '') . Yii::getAlias('@domainName'),
                 'path' => '/',
             ]
         ],
         'session' => [
             'class' => 'yii\web\Session',
-            'name' => 'PHPLABOITEAPAINSESSID',
+            'name' => 'PHPDISTRIBSESSID',
             'cookieParams' => [
                 'domain' => (($serverName != 'localhost') ? '.' : '') . Yii::getAlias('@domainName'),
                 'httpOnly' => true,

common/models/Producer.php

      */
     public function getSecretKeyPayplug() 
     {
-        $handle = fopen($this->getFilenameSecretKeyPayplug(), "r") ;
-        $filesize = filesize($this->getFilenameSecretKeyPayplug()) ;
-        if($handle && $filesize) {
-            $secretKey = fread($handle, $filesize);
-            fclose($handle);
-            return $secretKey ;
+        if(file_exists($this->getFilenameSecretKeyPayplug())) {
+            $handle = fopen($this->getFilenameSecretKeyPayplug(), "r") ;
+            $filesize = filesize($this->getFilenameSecretKeyPayplug()) ;
+            if($handle && $filesize) {
+                $secretKey = fread($handle, $filesize);
+                fclose($handle);
+                return $secretKey ;
+            }
         }
         
         return '' ;
     public function getApiKeyMailjet($type = 'private') 
     {
         $filename = '../../common/config/mailjet/api.key' ;
-        $handle = fopen($filename, "r") ;
-        $filesize = filesize($filename) ;
-        if($handle && $filesize) {
-            $apiKeys = fread($handle, $filesize);
-            fclose($handle);
-            $apiKeysArray = explode(':', $apiKeys) ;
-            if(count($apiKeysArray) == 2) {
-                if($type == 'private') {
-                    return $apiKeysArray[1] ;
-                }
-                else {
-                    return $apiKeysArray[0] ;
+        if(file_exists($filename)) {
+            $handle = fopen($filename, "r") ;
+            $filesize = filesize($filename) ;
+            if($handle && $filesize) {
+                $apiKeys = fread($handle, $filesize);
+                fclose($handle);
+                $apiKeysArray = explode(':', $apiKeys) ;
+                if(count($apiKeysArray) == 2) {
+                    if($type == 'private') {
+                        return $apiKeysArray[1] ;
+                    }
+                    else {
+                        return $apiKeysArray[0] ;
+                    }
                 }
             }
         }