added plugin boilerplate

myPlugin/myPlugin.php

+<?php 
+
+/**
+ * Plugin Name: MyPlugin
+ * Description: my plugin description 
+ * Version: 1.0.0
+ * Author: AIM srl
+ * Author URI: www.aimconsulting.it
+ * Developer: Zer0Overflow
+ * Developer URI: github.com/zerooverflow
+ * Text Domain: myplugin-domain
+ *
+ * WC requires at least: 3.5
+ * WC tested up to: 4.9.4
+ *
+ */
+
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+$wp_ver = explode ( '.', get_bloginfo( 'version' ));
+
+// controllo versione wp 3.5+ :
+if ( $wp_ver[0] < 3 && $wp_ver[1] < 5){
+	add_action( 'admin_notices', function(){
+		?>
+	    <div class="notice notice-error is-dismissible">
+	        <p><?php _e('Il plugin richiede Wordpress versione 3.5 o superiore ', 'myplugin-domain' ); ?></p>
+	    </div>
+    <?php
+	});
+	return;
+}
+
+
+define ('MYPLUGIN_DIRPATH', plugin_dir_path( __FILE__ ));
+define ('MYPLUGIN_URL', plugin_dir_url( __FILE__ ) );
+
+
+
+class My_Plugin
+{
+	
+	public static function instance()
+	{
+		static $instance = false;
+		if( $instance === false )
+		{
+			// Late static binding (PHP 5.3+)
+			$instance = new static();
+		}
+		
+		return $instance;
+	}
+	
+	public function admin_scripts($hook_suffix){
+
+		wp_enqueue_style( 'myplugin-style', MYPLUGIN_URL . '/assets/css/myplugin.css', array(), '1.0.0' );
+		wp_enqueue_script('myplugin-script', MYPLUGIN_URL .'/assets/js/myplugin.js', array('jquery'));
+	
+	}
+	
+	public function load_textdomain(){
+		//
+		load_plugin_textdomain( 'myplugin-domain', false, basename( dirname( __FILE__ ) ) . '/languages' );
+	}
+
+	
+	private function includes()
+	{
+		
+	}
+  
+	private function hooks()
+	{
+		add_action( 'plugins_loaded',  array( $this,'load_textdomain' ) );
+	}
+	
+	private function is_request( $type ) {
+		switch ( $type ) {
+			case 'admin' :
+				return is_admin();
+			case 'ajax' :
+				return defined( 'DOING_AJAX' );
+			case 'cron' :
+				return defined( 'DOING_CRON' );
+			case 'frontend' :
+				return ( ! is_admin() || defined( 'DOING_AJAX' ) ) && ! defined( 'DOING_CRON' );
+		}
+	}
+	
+	
+	private function __construct()
+	{
+		$this->includes();
+		$this->hooks();
+		
+	}
+	
+	private function __clone() {}
+	private function __sleep() {}
+	private function __wakeup() {}
+	
+}
+
+
+function my_plugin(){
+	return My_Plugin::instance();
+}
+
+
+
+my_plugin();