Change is_callable to method_exists for Laravel 8

Author: AlexStack

README.md

@@ -301,12 +301,13 @@ composer require alexstack/laravel-cms && php artisan laravelcms --locale=en --t
 -   Local: Create a github repository for the laravelcms folder. eg. cd cms && git init && git remote add origin https://github.com/xxx.git
 -   Local: Enable gd exif for heroku php: composer require ext-exif ext-gd
 -   On HeroKu: create a new app from this github repository, enable automatically deploy
--   HeroKu: add Dyno formation: web vendor/bin/heroku-php-apache2 public/
--   HeroKu: add .env variables to settings -> Config Vars
--   Local: to use Nginx together with PHP, add a file named Procfile on folder cms with content below:
+-   Local: to use Nginx/apache together with PHP, add a file named Procfile on folder cms with content below:
     ```php
-    web: vendor/bin/heroku-php-nginx
+    web: vendor/bin/heroku-php-apache2 public/
     ```
+-   HeroKu: add Dyno formation: web vendor/bin/heroku-php-apache2 public/
+-   HeroKu: add .env variables to settings -> Config Vars
+-   Done
 
 ## License
 

src/Http/Controllers/LaravelCmsPluginAdminController.php

@@ -118,7 +118,7 @@ public function customPluginFunc($action = 'return_options', $form_data = null,
     {
         $plugin_settings = $this->helper->s('plugin.'.$this->plugin->param_name);
         $plugin_class    = trim($plugin_settings['php_class'] ?? '');
-        if ('' != $plugin_class && class_exists($plugin_class) && is_callable($plugin_class.'::'.$action)) {
+        if ('' != $plugin_class && class_exists($plugin_class) && method_exists($plugin_class, $action)) {
             //echo $plugin_class . '::' . $action . '  --- ';
 
             return call_user_func([new $plugin_class(), $action], $form_data, $plugin, $plugin_settings);

src/Repositories/LaravelCmsPageAdminRepository.php

@@ -325,7 +325,7 @@ public function extraPageTabs($action = 'return_options', $form_data = null, $pa
             $callback_ary = collect([]);
             foreach ($option_ary as $plugin) {
                 $plugin_class = trim($plugin['php_class'] ?? '');
-                if ('' != $plugin_class && class_exists($plugin_class) && is_callable($plugin_class.'::'.$action)) {
+                if ('' != $plugin_class && class_exists($plugin_class) && method_exists($plugin_class, $action)) {
                     //echo $plugin_class . '::' . $action . '  --- ';
 
                     $s = call_user_func([new $plugin_class(), $action], $form_data, $page, $plugin);

src/Repositories/LaravelCmsPageRepository.php

@@ -90,7 +90,7 @@ public function show($id)
             $user_class   = $special_json->php_class;
             $class_method = $special_json->class_method ?? 'index';
             $parameters   = $special_json->parameters ?? null;
-            if ('' != $user_class && class_exists($user_class) && is_callable($user_class.'::'.$class_method)) {
+            if ('' != $user_class && class_exists($user_class) && method_exists($user_class, $class_method)) {
                 $data = call_user_func([new $user_class(), $class_method], $data, $parameters);
             } else {
                 $data['call_user_func_error'] = $user_class.' class not exists or class_method not callable ';