e2pdf / classes / helper / e2pdf-helper.php

e2pdf-helper.php in E2Pdf – Export Pdf Tool for WordPress 1.03.07, at classes/helper/e2pdf-helper.php

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1	<?php
2
3	/**
4	* E2pdf Helper
5	*
6	* @copyright Copyright 2017 https://e2pdf.com
7	* @license GPL v2
8	* @version 1
9	* @link https://e2pdf.com
10	* @since 0.00.01
11	*/
12	if (!defined('ABSPATH')) {
13	die('Access denied.');
14	}
15
16	class Helper_E2pdf_Helper {
17
18	protected static $instance = NULL;
19	private $helper;
20
21	const CHMOD_DIR = 0755;
22	const CHMOD_FILE = 0644;
23
24	public static function instance() {
25	if (!isset(self::$instance)) {
26	self::$instance = new self();
27	}
28	return self::$instance;
29	}
30
31	/**
32	* Set option by Key
33	*
34	* @param string $key - Key of option
35	* @param mixed $value - Value of option
36	*/
37	public function set($key, $value) {
38	if (!$this->helper) {
39	$this->helper = new stdClass();
40	}
41	$this->helper->$key = $value;
42	}
43
44	/**
45	* Add value to option by Key
46	*
47	* @param string $key - Key of option
48	* @param mixed $value - Value of option
49	*/
50	public function add($key, $value) {
51	if (!$this->helper) {
52	$this->helper = new stdClass();
53	}
54
55	if (isset($this->helper->$key)) {
56	if (is_array($this->helper->$key)) {
57	array_push($this->helper->$key, $value);
58	}
59	} else {
60	$this->helper->$key = array();
61	array_push($this->helper->$key, $value);
62	}
63	}
64
65	/**
66	* Unset option
67	*
68	* @param string $key - Key of option
69	*/
70	public function deset($key) {
71	if (isset($this->helper->$key)) {
72	unset($this->helper->$key);
73	}
74	}
75
76	/**
77	* Set option
78	*
79	* @param string $key - Key of option
80	*
81	* @return mixed - Get value of option by Key
82	*/
83	public function get($key) {
84	if (isset($this->helper->$key)) {
85	return $this->helper->$key;
86	} else {
87	return '';
88	}
89	}
90
91	/**
92	* Get url path
93	*
94	* @param string $url - Url path
95	*
96	* @return string - Url path
97	*/
98	public function get_url_path($url) {
99	return plugins_url($url, $this->get('plugin_file_path'));
100	}
101
102	/**
103	* Get url
104	*
105	* @param array $data - Array list of url params
106	* @param string $prefix - Prefix of url
107	*
108	* @return string Url
109	*/
110	public function get_url($data = array(), $prefix = 'admin.php?') {
111	$url = $prefix . http_build_query($data);
112	return admin_url($url);
113	}
114
115	/**
116	* Get Ip address
117	*
118	* @return mixed - IP address or FALSE
119	*/
120	public function get_ip() {
121
122	if (isset($_SERVER['REMOTE_ADDR'])) {
123	$ip = $_SERVER['REMOTE_ADDR'];
124	} else {
125	$ip = false;
126	}
127
128	return $ip;
129	}
130
131	/**
132	* Remove dir and its content
133	*
134	* @param string $dir - Path of directory to remove
135	*/
136	public function delete_dir($dir) {
137	if (!is_dir($dir)) {
138	return;
139	}
140	if (substr($dir, strlen($dir) - 1, 1) != '/') {
141	$dir .= '/';
142	}
143	$files = glob($dir . '*', GLOB_MARK);
144	foreach ($files as $file) {
145	if (is_dir($file)) {
146	$this->delete_dir($file);
147	} else {
148	unlink($file);
149	}
150	}
151	rmdir($dir);
152	}
153
154	public function create_dir($dir = false) {
155	if ($dir && !file_exists($dir)) {
156	if (mkdir($dir, self::CHMOD_DIR)) {
157	$index = $dir . 'index.php';
158	$this->create_file($index, "<?php\n// Silence is golden.\n?>");
159	}
160	}
161	return is_dir($dir);
162	}
163
164	public function create_file($file = false, $content = '') {
165	if ($file && !file_exists($file)) {
166	if (file_put_contents($file, $content)) {
167	chmod($file, self::CHMOD_FILE);
168	}
169	}
170	return is_file($file);
171	}
172
173	public function get_upload_url($path = false) {
174
175	$wp_upload_dir = wp_upload_dir();
176
177	if ($path) {
178	return $wp_upload_dir['baseurl'] . "/" . basename(untrailingslashit($this->get('upload_dir'))) . "/" . $path;
179	} else {
180	return $wp_upload_dir['baseurl'] . "/" . basename(untrailingslashit($this->get('upload_dir')));
181	}
182	}
183
184	public function load($helper) {
185	$model = null;
186	$class = "Helper_E2pdf_" . ucfirst($helper);
187	if (class_exists($class)) {
188	if (!$this->get($class)) {
189	$this->set($class, new $class());
190	}
191	$model = $this->get($class);
192	}
193	return $model;
194	}
195
196	}
197