flywp / flywp.php

flywp.php in FlyWP Helper – Page Cache, Page Optimization, Emails for FlyWP Server Control Panel 0.1, at flywp.php

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1	<?php
2	/**
3	* Plugin Name: FlyWP
4	* Plugin URI: https://flywp.com
5	* Description: Helper plugin for FlyWP
6	* Version: 0.1
7	* Author: FlyWP
8	* License: GPL2
9	*/
10
11	// Exit if accessed directly.
12	if ( ! defined( 'ABSPATH' ) ) {
13	exit;
14	}
15
16	require __DIR__ . '/vendor/autoload.php';
17
18	final class FlyWP_Plugin {
19
20	/**
21	* Plugin version.
22	*
23	* @var string
24	*/
25	private $version = '1.0.0';
26
27	/**
28	* The single instance of the class.
29	*
30	* @var FlyWP
31	*/
32	private static $instance = null;
33
34	/**
35	* Plugin Constructor.
36	*
37	* @return void
38	*/
39	private function __construct() {
40	$this->define_constants();
41
42	add_action( 'plugins_loaded', [ $this, 'init_plugin' ] );
43	}
44
45	/**
46	* Main FlyWP Instance.
47	*
48	* Ensures only one instance of FlyWP is loaded or can be loaded.
49	*
50	* @return flyWP - Main instance
51	*/
52	public static function instance() {
53	if ( null === self::$instance ) {
54	self::$instance = new self();
55	}
56
57	return self::$instance;
58	}
59
60	public function init_plugin() {
61	if ( ! $this->has_api_key() ) {
62	add_action( 'admin_notices', [ $this, 'admin_notice' ] );
63
64	return;
65	}
66
67	if ( is_admin() ) {
68	new FlyWP\Admin();
69	} else {
70	new FlyWP\Frontend();
71	}
72	}
73
74	/**
75	* Show admin notice if API key is not set.
76	*
77	* @return void
78	*/
79	public function admin_notice() {
80	$message = __( 'Missing FlyWP API key, plugin requires an API key.', 'flywp' );
81
82	echo '<div class="notice notice-error"><p>' . esc_html( $message ) . '</p></div>';
83	}
84
85	/**
86	* Define plugin constants.
87	*
88	* @return void
89	*/
90	private function define_constants() {
91	define( 'FLYWP_VERSION', $this->version );
92	define( 'FLYWP_PLUGIN_FILE', __FILE__ );
93	define( 'FLYWP_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
94	define( 'FLYWP_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
95	define( 'FLYWP_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
96
97	if ( ! defined( 'FLYWP_API_KEY' ) ) {
98	define( 'FLYWP_API_KEY', '' );
99	}
100	}
101
102	/**
103	* Check if API key is set.
104	*
105	* @return bool
106	*/
107	public function has_api_key() {
108	return FLYWP_API_KEY !== '';
109	}
110
111	/**
112	* Get API key.
113	*
114	* @return string
115	*/
116	public function get_api_key() {
117	return FLYWP_API_KEY;
118	}
119	}
120
121	/**
122	* Returns the main instance of FlyWP to prevent the need to use globals.
123	*
124	* @return FlyWP
125	*/
126	function flywp() {
127	return FlyWP_Plugin::instance();
128	}
129
130	// take off
131	flywp();
132