-

Author: stephanediondev

composer.lock

@@ -142,7 +142,7 @@ If you have SSL certificates, add ```-v /path/privkey.pem:/etc/nginx/privkey.pem
 [(Back to source installation)](#source-installation)
 
 - Web server
-- PHP 7.2.5 or higher (7.4 recommended): [Visit](https://symfony.com/doc/current/setup/web_server_configuration.html)
+- PHP 8: [Visit](https://symfony.com/doc/current/setup/web_server_configuration.html)
 - Composer: [Visit](https://getcomposer.org/download/)
 - npm: [Visit](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm)
 
@@ -248,12 +248,6 @@ server {
 
 Download or clone the repository from GitHub [Visit](https://github.com/stephanediondev/elasticsearch-admin)
 
-If you don't have PHP 7.4, remove ```composer.lock``` or you will have the error below
-
-```
-Fatal Error: composer.lock was created for PHP version 7.4 or higher but the current PHP version is ...
-```
-
 Launch the following commands to install
 
 ```

docs/index.md

@@ -5,7 +5,7 @@
 
 abstract class AbstractAppModel
 {
-    public function convertBoolean($value): bool
+    public function convertBoolean(mixed $value): bool
     {
         if ('false' === $value) {
             return false;

src/Model/AbstractAppModel.php

@@ -77,7 +77,7 @@ public function humanVersion(string $version): string
         return $xx.'.'.intval($yy).'.'.intval($zz);
     }
 
-    public function humanDatetime($datetime, string $format = 'D, d M Y H:i'): string
+    public function humanDatetime(mixed $datetime, string $format = 'D, d M Y H:i'): string
     {
         if ($datetime instanceof \Datetime) {
             return $datetime->format($format);
@@ -125,7 +125,7 @@ public function retrieveSort(ElasticsearchIndexModel $index, string $field): str
         return $sort;
     }
 
-    public function retrieveValue(array $source, string $field)
+    public function retrieveValue(array $source, string $field): mixed
     {
         $value = false;