added php executable requirement

app/Utilities/Installer.php

@@ -4,6 +4,7 @@ namespace App\Utilities;
 
 use App\Jobs\Auth\CreateUser;
 use App\Jobs\Common\CreateCompany;
+use App\Utilities\Console;
 use Artisan;
 use Config;
 use DB;
@@ -115,6 +116,10 @@ class Installer
             $requirements[] = trans('install.requirements.directory', ['directory' => 'storage/logs']);
         }
 
+        if (Console::run('php artisan help') !== true) {
+            $requirements[] = trans('install.requirements.executable');
+        }
+
         return $requirements;
     }
 

resources/lang/en-GB/install.php

@@ -21,6 +21,7 @@ return [
         'disabled'          => ':feature needs to be disabled!',
         'extension'         => ':extension extension needs to be installed and loaded!',
         'directory'         => ':directory directory needs to be writable!',
+        'executable'        => 'The PHP executable file is not working! Please, ask your hosting company to set PHP_BINARY or PHP_PATH environment variable correctly.',
     ],
 
     'database' => [